Solving Quadratic Equations

If one of the roots of x² - 25 = 0 is -5, what is the other root?

Tags

CCSS.HSA-REI.B.4B

What are the factors of x² - 3x + 2?

• (x + 2)(x + 1)

• (x + 2)(x - 1)

• (x - 2)(x + 1)

• (x - 2)(x - 1)

What are the roots of x² - x - 6 = 0?

• 3

• 2

• -3

• -2

Tags

CCSS.HSA-REI.B.4B

What is the solution set of 2x(x - 1) = 2?

Tags

CCSS.HSA-REI.B.4B

If one of the roots of (x - 3)² = 4 is 5, what is the other root?

Tags

CCSS.8.EE.A.2

What are the factors of 3x² + 10x + 8 = 0?

• (3x + 4)

• (3x - 4)

• (x + 2)

• (x - 2)

1/4 must be added to x² - x - 1 to make it a PST.

• True

• False

What must be added to 2x² + 7x + 3 = 0 to make it a PST?

Tags

CCSS.HSA-REI.B.4B

If one of the roots of 3x² - 4x + 1 = 0 is 1/3, what is its other root?

What is the solution set of 2x² - x - 1 = 0?

• {1, 1/2}

• {1, -1/2}

• {-1, 1/2}

• {-1, -1/2}

Tags

CCSS.HSA-REI.B.4B