Mixed Quadratics Practice

Solve the following quadratics equation by completing the square...

x² + 6x - 3 = 0

• x = -3 ± √12

• x = 3 ± √12

• x = 12 ± √3

• x = -12 ± √3

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve 2x² + 2x - 12?

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Solve the following quadratics equation by completing the square...

x² + 4x - 1 = 0

• x = -2 ± √5

• x = -5 ± √2

• x = 2 ± √5

• x = -5 ± √5

Tags

CCSS.HSA-REI.B.4B

Solve by using the quadratic formula.

n² - 2n - 3 = 0

• {3 and-1}

• {4 and -4}

• {5 and -3}

• {8 and -7}

Tags

CCSS.HSA-REI.B.4B

Solve
a² + 2a - 24 = 0

• a = -6, 4

• a = 6, -4

• a = 12, -2

• a = 8, -3

Tags

CCSS.HSA-REI.B.4B

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form

• Write down: a=1, b=6, c=-13

• Make it equal 0 by subtracting 3 on each side

• Type it all in a calculator.

Tags

CCSS.HSA-REI.B.4B

Solve by factoring

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

What is the greatest number of solutions that a Quadratic Equation can have?

• 0

• 1

• 2

• 3

Tags

CCSS.HSA-REI.B.4B

What are the solutions?

• -2, 1

• 1, 2

• -1,2

• 0,-4

What are the x-intercept/s of the function? 

• (3,0)

• (-3,0)

• (9,0) & (-9,0)

• (-3, 0) & (3, 0)

Tags

CCSS.HSF-IF.C.7A