I need some algerbra help, a site that will help me or something !!!!?

Question #1

Which of the following sets could be the sides of a right triangle?

A.{2, 3, radical 13}

B.{5, 5,2 radical 10}

C{5, 12,15}

Question #3

Find the midpoint of the line segment whose endpoints are (-2, 5) and A.(6, -9).

B.(4, -4)

C.(2, -2)

D.(1, -4)

Question #4

y(y + 4) - y2 = 6 is a quadratic equation.

A.True

B.False

Question #5

Which of the following describes the translation of the graph of y = x2 to obtain the graph of y = -x2 + 3?

A.reflect over the x-axis and shift right 3

B.reflect over the x-axis and shift up 3

C.reflect over the y-axis and shift down 3

Question #6

Write the quadratic equation in general form and then choose the value of "b."

(2x - 1)(x + 6) = 0

A.-4

B.11

C.12

Question #9

The graph of y = ax2 + bx + c is a parabola that opens up and has a vertex at (0, 5). What is the solution set of the related equation 0 = ax2 + bx + c?

A.Ø

B.{0}

C.{5}

Question #10

Which of the following equations is of a parabola with a vertex at (1, 2)?

A.y = (x - 1)2 - 2

B.y = (x - 1)2 + 2

C.y = (x + 1)2 - 2

D.y = (x + 1)2 + 2

Question #11

The line of symmetry for the quadratic equation y = ax2 - 2x - 3 is x = 1. What is the value of "a"?

A.-1

B.1

C.2

Question #14

Which of the following points is in the solution set of y < x2 - 2x - 8?

A.(-2, -1)

B.(0, -2)

C.(4, 0)

Question #15

A ball is dropped from a treetop 256 feet above the ground. How long does it take to hit the ground? (s = 16t2)

A.4 seconds

B.8 seconds

C.16 seconds

Question #16

Write the quadratic equation in general form. What is the value of b2 - 4ac?

1 = 2x2 + 5x?

A.17

B.33

C.34

Question #18

What is the solution set of 2x2 - 3x = 5?

A.{-1, -5/2}

B.{-1, 5/2}

C.{1, -5/2}

Question #19

What is the solution set of 4x2 - 36 = 0?

A.{-3}

B.{3}

C.{-3, 3}

Question #20

If (x + 1)(x - 3) = 12, then which of the following statements is true?

A.x + 1 = 0 or x - 3 = 0

B.x + 1 = 12 or x - 3 = 12

C.x - 5 = 0 or x + 3 = 0

Question #21

Which of the following equations has only one solution?

A.x2 - 8x + 16 = 0

B.x(x - 1) = 8

C.x2 = 16

Question #22

The length of a rectangle is 2 more than three times the width. The area of the rectangle is 161 square inches. What are the dimensions of the rectangle?

If x = the width of the rectangle, which of the following equations is used in the process of solving this problem?

A.2x2 + 3x - 161 = 0

B.3x2 + 2x - 161 = 0

C.6x2 - 161 = 0.

Question #24

MultipleChoice

A circle has a diameter with endpoints of (-3, 8) and (7, 4). What is the center of the circle?

A.(10, 12)

B.(5, 12)

C.(2, 6)