Pre-Calculus

Have pre-calculus questions? Ask a pre-calculus tutor

Connect one-on-one with {0} who will answer your question

Question 1 y varies directly as...

Question 1

y varies directly as x and inversely as the square root of w; write the sentence as an equation.

Question 2

Write the equation of the line whose slope is -3/7 and y-intercept is -4; write the answer in slope-intercept form.

y=(-3/7)x - 4

y=(3/7)x + 4

y=(7/3)x - 4

y=(-7/3)x + 4

5 points

Question 3

Find the y-intercept of the cubic f(x)=(x-2)(x+1)(x-3)

(6, 0)

(0, 6)

(0, -6)

(-6, 0)

5 points

Question 4

Multiply the complex numbers (3+2i)(3-2i)

5+0i

13+0i

13+12i

5+12i

y varies directly as x and inversely as the square root of w; write the sentence as an equation.

Question 2

Write the equation of the line whose slope is -3/7 and y-intercept is -4; write the answer in slope-intercept form.

y=(-3/7)x - 4

y=(3/7)x + 4

y=(7/3)x - 4

y=(-7/3)x + 4

5 points

Question 3

Find the y-intercept of the cubic f(x)=(x-2)(x+1)(x-3)

(6, 0)

(0, 6)

(0, -6)

(-6, 0)

5 points

Question 4

Multiply the complex numbers (3+2i)(3-2i)

5+0i

13+0i

13+12i

5+12i

Show More

Show Less

Was this answer helpful?

Describe your issueThe assistant will guide you

Chat 1:1 with a tutorLicensed Experts are available 24/7

100% satisfaction guaranteeGet all the answers you need

Related Pre-Calculus Questions

1. Which one of the following formulas correctly expresses

1. Which one of the following formulas correctly expresses this statement: The number x is equal to another number n plus the square root of 3. A. x = 3n2 B. x = n + 32 C. x = n + √3 D. x = √n + 3 2. … read more

I saw you did this about a year ago. Can you help me

I saw you did this about a year ago. Can you help me out...rather quickly? Show All calculation!! 1. Solve the following Expression 5 (B - 4) =10 2. Solve the following equation for the variable L. p … read more

Do you still have the answers to these 22 questions? it says

Customer: do you still have the answers to these 22 questions? it says they have been removed from media fire by publisher … read more

Can i have these answers questions that are ready submitted

Hello can i have these answers for these questions that are ready submitted to you... Show All calculation!! 1. Solve the following Expression 5 (B - 4) =10 2. Solve the following equation for the var… read more

Show All calculation!!1. Solve the following Expression 5

Show All calculation!! 1. Solve the following Expression 5 (B - 4) =10 2. Solve the following equation for the variable L. p = 2L +2w 3. Complete the following table X Y -1 0 4 4. Find the Slope-inter… read more

1. Write the slope-intercept form of the equation of the

1. Write the slope-intercept form of the equation of the line through the point (2, - 6) and parallel to y = - 2x + 5. 2. Write the equation of the line through the point (- 3, 5) and perpendicular to… read more

can you help me with this? If you think the statement is

can you help me with this? If you think the statement is true, then prove it. On the other hand, if you think the statement is false, then give an example that disproves the statement. For example, th… read more

Precalculus Problems. (big bonus for great solutions) 1. Solve

Precalculus Problems. (big bonus for great solutions) 1. Solve the following equation for x: log2(x + 7) + log2(x + 8) = 1 Note: Be sure to plug any solutions back into the original equation; if they … read more

Show All calculation!!1. Solve the following Expression 5

Show All calculation!! 1. Solve the following Expression 5 (B - 4) =10 2. Solve the following equation for the variable L. p = 2L +2w 3. Complete the following table X Y -1 0 4 4. Find the Slope-inter… read more

(Slope and the Equation of a Line) 1. Graph the line with

(Slope and the Equation of a Line) 1. Graph the line with a slope 3/2 that passes through the point (-1,-1). 2.Write the slope-intercept form equation of the line with slope -6 that passes through the… read more

Find a polynomial f(x) of degree 3 that has the following

Find a polynomial f(x) of degree 3 that has the following zeros...-6, 0, 9 Leave answer in factored form… read more

1.Solve the system by the subsitution method x^2+y^2=20 x-y=-2 2.

1.Solve the system by the subsitution method x^2+y^2=20 x-y=-2 2. solve the following system by the substitution method x-y=1 x^2-xy-y^2=-1 the solution set is 3.Solve the system by the addition metho… read more

List the intercepts and test for symmetry. y= -7x^5/x^6-2 Could

List the intercepts and test for symmetry. y= -7x^5/x^6-2 Could you please go step by step and show me how you got the answer.… read more

List the intercepts and test for symmetry. y=-6x^9/x^4-2 Could

List the intercepts and test for symmetry. y=-6x^9/x^4-2 Could you go step by step on how you got the answer?… read more

Sandhya, I need your help with some more math problems. I have

Sandhya, I need your help with some more math problems. I have tried to work this out on my own but I neaver can get it. 1). (y-3)(y-7)=0 y= 2). (x-3)(4x+7)=0 x= 3).c^-16=0 c= 4). r^+13r+30=0 r= 5).3d… read more

Multiply. Write the result in standard form. (5 - i)(4 +

Multiply. Write the result in standard form. (5 - i)(4 + 3i) A. 11 + 23i B. 23 + 11i C. 20 - 3i D. 9i Question 2 of 20 Subtract. Write the results in standard form. (-8 - 4i) - (-5 - 3i) A. -3 - i B. … read more

Please help me solve these problems. 1)Find an equation

Please help me solve these problems. 1)Find an equation of the line having the specified slope and containing the indicated point. Write my answer in slope-intercept form. m=5; (-7,0) 2)Find an equati… read more

I need help with about 21 Algebra questions. Most of the problems

I need help with about 21 Algebra questions. Most of the problems I just need a double check on but there are a few that I'm completely lost. $50 dollars, any takers? 1. (4a^4-2a^3+4a^2+16a-10)+(a^5+1… read more

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.

JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.

Web sites like justanswer.com/legal

...leave nothing to chance.

...leave nothing to chance.

Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.

Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.

I will tell you that...the things you have to go through to be an Expert are quite rigorous.

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

Los Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

Hesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

Kernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

Woodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

Elkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

Dallas, TX

< Previous | Next >

Mr. Gregory White

Master's Degree

167 satisfied customers

M.A., M.S. Education / Educational Administration

rajeevanpillai

Master's Degree

149 satisfied customers

B.Sc in Mathematics and M.Sc, M Phil in Statistics

mhasan420

Master's Degree

37 satisfied customers

BA Maths, Oxford

JACUSTOMER-yrynbdjl-

Master's Degree

13 satisfied customers

I have taught college Mathematics for the past 10 years.

Dr. Arthur Rubin

Doctoral Degree

12 satisfied customers

Ph.D. in Mathematics, 1978, from the California Institute of Technology, over 20 published papers

Sandhya_sharma

Master's Degree

1,085 satisfied customers

I hold M.Sc and M.Phil degrees in math and have several years of teaching experience.

Kofi

PhD in Statistics

765 satisfied customers

Masters in Mathematics and Statistics

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.