Quadratic Problem Solving

Solve the quadratic equation x^2 + 5x + 6 = 0 by factoring.

• x = 2, -3

• x = -2, 3

• x = 2, 3

• x = -2, -3

Tags

CCSS.HSA-REI.B.4B

Find the solutions of the quadratic equation 2x^2 - 7x - 3 = 0 using square roots.

• (7 + √73) / 4 and (7 - √73) / 4

• (7 - √73) / 4 and (7 - √73) / 4

• (7 + √73) / 4 and (7 + √73) / 4

• (7 + √73) / 4 and (7 - √73) / 4

Tags

CCSS.HSA-REI.B.4B

Factorize the quadratic expression x^2 - 9.

• (x - 3)(x + 3)

• (x - 5)(x + 5)

• (x - 4)(x + 4)

• (x - 2)(x + 2)

Tags

CCSS.HSA.APR.C.4

What are the roots of the quadratic equation 3x^2 + 4x - 2 = 0?

• x = (-4 + 2√10) / 6 and x = (-4 - 2√10) / 6

• x = (-4 + √10) / 6 and x = (-4 - √10) / 6

• x = (-4 + 2√2) / 6 and x = (-4 - 2√2) / 6

• x = (-4 + √2) / 6 and x = (-4 - √2) / 6

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation 2x^2 + 9x + 5 = 0 by factoring.

• x = -2, -1/5

• x = 1/2, -5

• x = -5/2, -1

• x = 5/2, 1

Tags

CCSS.HSA-REI.B.4B

Find the solutions of the quadratic equation x^2 - 16 = 0 using square roots.

• x = 6 or x = -6

• x = 8 or x = -8

• x = 4 or x = -4

• x = 2 or x = -2

Tags

CCSS.HSA-REI.B.4B

Factorize the quadratic expression 4x^2 - 25.

• (2x + 5)(2x + 5)

• (2x - 5)(2x + 5)

• (4x + 5)(x - 5)

• (2x + 5)(2x - 5)

Tags

CCSS.HSA.APR.C.4

What are the roots of the quadratic equation x^2 - 6x + 8 = 0?

• The roots of the quadratic equation x^2 - 6x + 8 = 0 are x = 4 and x = 2.

• The roots of the quadratic equation x^2 - 6x + 8 = 0 are x = 6 and x = 2.

• The roots of the quadratic equation x^2 - 6x + 8 = 0 are x = 3 and x = 4.

• The roots of the quadratic equation x^2 - 6x + 8 = 0 are x = 1 and x = 8.

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation 5x^2 + 2x - 3 = 0 by factoring.

• x = 3/5, -1

• x = -3/5, 1

• x = 2/5, -2

• x = 1/5, -3

Tags

CCSS.HSA-REI.B.4B

Find the solutions of the quadratic equation 3x^2 - 10x + 7 = 0 using square roots.

• x = -7/3 and x = -1

• x = 7/3 and x = 1

• x = 7/3 and x = -1

• x = -7/3 and x = 1/3

Tags

CCSS.HSA-REI.B.4B