True or false the graph of every equation of the form y

Question

2. Use the square root method to find solutions for the equation.

(3x + 1)² – 7 = 0

3. Solve the equation by completing the square.

2x² – x – 6 = 0

6. Solve the equation by using the quadratic formula.

6x² – 9x +1 = 0

7. Find the value of the discriminant and give the number of real solutions.

8x² + 2x + 7 = 0

8. Find the value of the discriminant and give the number of real solutions.

3x² + 4x – 2 = 0

A) 0, one

B) –8, none

C) 28, two

D) 40, two

12. True or False:  The graph of every equation of the form y = ax² + b, where a and b are real numbers and a is not zero, is a parabola with the y-axis as the axis of symmetry.

13. Find the equation of the axis of symmetry for the parabola given by  y = –x² + 6x – 17.

A) y =  8

B) x = –3

C) x = 3

D) x = 0

14. True or False:  The graph of every equation of the form y = ax² + b, where a and b are real numbers and a is not zero, is a parabola with a vertex (0, b).

15. Give the coordinates of the vertex for the parabola given by y = x² – 2x + 6.

A) (1, 5)

B) (–1, 9)

C) (1, 10)

D) (2, –1)