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1) Use the quadratic formula to...

1) Use the quadratic formula to solve the equation. X^2 – x = -4. The solution set is _____________

2) Rewrite the following expression with positive exponents. (15xy)^-4/7. What is the equivalent expression (15xy)^-4/7=(15xy)^7/4 or 1 over (15xy)^4/7 or 1 over (15xy) ^ 7/4 or (15xy) ^4/7.

3) In a right triangle, find the length of the side not given b = 2, c = sqrt 13. What is a?

4) Find the polynomial for the perimeter and for the area (top is z + 4 and side is z) what is the perimeter and what is the area?

5) If the sides of a square are lengthened by 5cm, the area becomes 100 cm^2. What is the length of a side of the original square in cm?

6) Find the variation constant and an equation of variation where y varies directly as x and y = 30 when x = 10. The variation constant is k = _________, the equation of variation is y = ___________?

7) For the following equation, state the value of the discriminant and then describe the nature of the solutions. -9x^2 + 10x + 6 = 0. What is the discriminant ________? Which statement is correct a) the equation has to imaginary solutions. B) the equation has one real solution. C) the equation has two real solutions.

8) Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function and graph the function. F(x) = -2x^2 + 2x + 4. What is the x coordinate of the vertex (simplified fraction), what is the y coordinate of the vertex (simplified fraction), what is the line of symmetry, what is the maximum/minimum of f(x), and the value of f(1/2)=9/2 is minimum or maximum?

9) Divide (25b^3 + 15b^2+35b+50) divided by (5b+5)

10) What is the vertex, line of symmetry and the maximum or minimum value of f(x). f(x)=1/3(x+7)^2+3 a) what is the vertex in ordered pair. B) what is the line of symmetry - type an equation. C)what is the maximum/minimum value of f(x). d) is the value, f(-7)=3, a minimum or maximum.

11) Find all the number for which the rational expression is undefined. Q^3-5q over q^2-64.

12) Identify the degree of each term of the polynomial and the degree of the polynomial. -4x^3 + 4x^2 +8x +6 what is the degree of the first term, the second, the third, the fourth. What is the degree of the polynomial?

13) Factor 56-15a+a^2=

14) Simplify by removing factors of 1. 5t^2+5t over 10t^2+25t. what is the simplified form?

15) Rationalize the denominator. Assume that all expressions under radicals represent positive numbers. Sqrt c minus sqrt d over sqrt c plus sqrt d =. Simplified answer please.

2) Rewrite the following expression with positive exponents. (15xy)^-4/7. What is the equivalent expression (15xy)^-4/7=(15xy)^7/4 or 1 over (15xy)^4/7 or 1 over (15xy) ^ 7/4 or (15xy) ^4/7.

3) In a right triangle, find the length of the side not given b = 2, c = sqrt 13. What is a?

4) Find the polynomial for the perimeter and for the area (top is z + 4 and side is z) what is the perimeter and what is the area?

5) If the sides of a square are lengthened by 5cm, the area becomes 100 cm^2. What is the length of a side of the original square in cm?

6) Find the variation constant and an equation of variation where y varies directly as x and y = 30 when x = 10. The variation constant is k = _________, the equation of variation is y = ___________?

7) For the following equation, state the value of the discriminant and then describe the nature of the solutions. -9x^2 + 10x + 6 = 0. What is the discriminant ________? Which statement is correct a) the equation has to imaginary solutions. B) the equation has one real solution. C) the equation has two real solutions.

8) Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function and graph the function. F(x) = -2x^2 + 2x + 4. What is the x coordinate of the vertex (simplified fraction), what is the y coordinate of the vertex (simplified fraction), what is the line of symmetry, what is the maximum/minimum of f(x), and the value of f(1/2)=9/2 is minimum or maximum?

9) Divide (25b^3 + 15b^2+35b+50) divided by (5b+5)

10) What is the vertex, line of symmetry and the maximum or minimum value of f(x). f(x)=1/3(x+7)^2+3 a) what is the vertex in ordered pair. B) what is the line of symmetry - type an equation. C)what is the maximum/minimum value of f(x). d) is the value, f(-7)=3, a minimum or maximum.

11) Find all the number for which the rational expression is undefined. Q^3-5q over q^2-64.

12) Identify the degree of each term of the polynomial and the degree of the polynomial. -4x^3 + 4x^2 +8x +6 what is the degree of the first term, the second, the third, the fourth. What is the degree of the polynomial?

13) Factor 56-15a+a^2=

14) Simplify by removing factors of 1. 5t^2+5t over 10t^2+25t. what is the simplified form?

15) Rationalize the denominator. Assume that all expressions under radicals represent positive numbers. Sqrt c minus sqrt d over sqrt c plus sqrt d =. Simplified answer please.

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