Algebra Review Unit 3

What are the y-intercept and x-intercepts of the function? 

• (0,-3), (1,0), (3,0)

• (0,-3), (-1,0), (3,0)

• (0,3), (1,0), (3,0)

• (0,-3), (1,0), (-3,0)

A soccer player kicks a ball from a platform that is 5 yards above the ground. The height in yards of the soccer ball above the ground as a quadratic function of x, the horizontal distance in yards of the soccer ball from the platform. The ball went 200 yards down the field. What is the domain of the function for this situation?

• 0 ≤ x ≤ 200

• 5 ≤ y ≤ 30

• 0 ≤ y ≤ 30

• 5 ≤ x ≤ 200

• 18x(x - 3)

• 18x(2x + 3)

• 18(x + 3)

• 18(2x - 3)

• k = 4

• k = 3, k = -10

• k = 10, k = -4

• k = 7

What are the solutions to 2(x + 5)² = 98?

• x = 2 and x = -12

• x = 3 and x = -13

• x = 4 and x = -14

• x = -5 ± √49

Which of the following expressions completely factor the polynomial 3x² + 10x + 8? Select two.

• (3x+4)

• (x+2)

• (3x+2)

• (x+4)

• (0, 2)
• (4, 2)
• (4, 0)
• (0, 0)

• (-1, -12).

• (0, -9).

• (-1, -6).

• (-2, -3).