Quadratics (factoring & solving)

Find the solutions.

x² - 11x + 18 = 0

• (x - 9)(x - 2)

• x = {-2, -9}

• x = {2, 9)

• (x + 9)(x + 2)

Tags

CCSS.HSA-REI.B.4B

Find the factors.

• x = {-3, 1}

• (x + 3)(x - 1)

• (x - 3)(x + 1)

• x = {-1, 3}

Solve the quadratic equation.

3x² + 15x = -18

• 3 (x + 3)(x + 2)

• (3x - 2)(x - 9)

• x = {-3, -2}

• x = {1/2, 9}

Tags

CCSS.HSA-REI.B.4B

Find the roots

• x = {2, 5}

• (x - 5)(x - 2)

• (x + 5)(x + 2)

• x = {-5, -2}

Write the equation for this graph.

• f(x) = x² - 3x + 4

• f(x) = (x + 2)²

• f(x) = x² - 4

• f(x) = x² + 4x + 4

Find the zeros.

8x² + 1= 6x

• no solutions

• x = {2, 4}

• (x - 2)(x - 4)

• x = {1/2 , 1/4}

Find the solutions

2x² - 8x + 14 = 0

• 2(x - 2)(x + 7)

• no solutions

• x = {2, 7}

• x = {-1, -7}

Find the apparent factors

• x = {-3, 4}

• (x + 4)(x - 3)

• no factors

• (x - 4)(x + 3)

Which is NOT a factor? Select all possibilities.

3x² + 3x - 60

• 3

• x - 5

• x + 5

• x + 4

• x - 4

Choose all the solutions

9x² +12x + 4

• 2/3

• -2/3

• 4

• 6