Review Math 9

The following are examples of quadratic equation EXCEPT:

• x² - 6x + 10 = 0

• x(x - 1) = 0

• (x² + 1) (x - 2) = 0

In the equation 2x² - 4x + 3 = 0, (2x²) is what kind of term?

• constant term

• linear term

• factor term

• quadratic term

In the equation 2x² - 4x + 3 = 0, (-4x) is what kind of term?

• constant term

• linear term

• factor term

• quadratic term

Which of the following is equal to (x + 3) (x - 5) + 3 = 0?

• x² - 2x -12 = 0

• x² - 2x +12 = 0

• x² + 2x -12 = 0

• x² + 2x +12 = 0

What are the factors of the quadratic equation x² - 6x = - 8?

• (x + 4) (x - 2)

• (x + 4) (x + 2)

• (x - 4) (x - 2)

• (x - 4) (x + 2)

What is the standard form of quadratic equation?

• ax² + by + c = 0

• ax² + bx + c = 0

• ay² + bx + c = 0

• ax² + by + z = 0

What is the value of x in the equation x² - 16 = 0?

• 16

• 8

• 12

• 4

What must be the value of n so that 4x² + nx = - 49 becomes perfect square trinomial?

• 7

• 21

• 14

• 28

To complete the square of the quadratic equation 2x² + 8x = -2, what must be added to both sides of the equation?

• 4

• 12

• 8

• 16

If you will going to use quadratic formula in the quadratic equation 2x² - 8x + 4 = 0, then what is the value of x?

• -8 ± √8

• 2 ± √2

• -2 ± √2

• 8 ± √8