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)