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I have 11 question, can...

I have 11 question, can someone please help me w/ them?

1.) The length of a rectangle is twice the width. The area is 72 yd^2. Find the length and width.

2.) N/A

3.) Find the vertex, the line of symmetry, and the maximum or minimum value of the quadratic function: f(x)=3x^2-12x+21

4.) Write a quadratic equation having the given number as solutions: -3 and -1 (type answer in standard form, Type an expression using x as a variable)

5.) Solve 3x^2=6 and find the x-intercepts of f(x)=3x^2-6

6.) Solve for x: x^2+18x+4=0

7.) Find the x- and y-intercepts: f(x)=9x^2+30x+25

8.) A student opens a mathematics book to two facing pages. The product of the page numbers is 210 find the page numbers for the first page and the second page.

9.) Give exact and approximate solutions to three decimal places: x^2-7x+3=0

10.) Find the vertex, the line of symmetry and the maximum or minimum value of the quadratic function: f(x)=x^2-4x-1

11.) Find the vertex and the line of symmetry: f(x)=1/4x^2

1.) The length of a rectangle is twice the width. The area is 72 yd^2. Find the length and width.

2.) N/A

3.) Find the vertex, the line of symmetry, and the maximum or minimum value of the quadratic function: f(x)=3x^2-12x+21

4.) Write a quadratic equation having the given number as solutions: -3 and -1 (type answer in standard form, Type an expression using x as a variable)

5.) Solve 3x^2=6 and find the x-intercepts of f(x)=3x^2-6

6.) Solve for x: x^2+18x+4=0

7.) Find the x- and y-intercepts: f(x)=9x^2+30x+25

8.) A student opens a mathematics book to two facing pages. The product of the page numbers is 210 find the page numbers for the first page and the second page.

9.) Give exact and approximate solutions to three decimal places: x^2-7x+3=0

10.) Find the vertex, the line of symmetry and the maximum or minimum value of the quadratic function: f(x)=x^2-4x-1

11.) Find the vertex and the line of symmetry: f(x)=1/4x^2

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