Solving Square Root and Quadratics Practice

Solve the quadratic equation.
2p² - 2p - 55 = 5

• A .  {3.28, -2.28}

• B .  {2.5, -1.78}

• C . {6, -5}

• D . {-1, 4}

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

Which of the following is not a method we have used to solve quadratics?

• Factoring

• Quadratic Formula

• Simplifying

• Taking the Square Root

• Graphing

Tags

CCSS.HSA-REI.B.4B

Identify the values of A, B, and C
10p² + 7p - 20 = 0

• A=1, B=7, C=-20

• A=10, B=7, C=20

• A=10, B=-7, C=-20

• A=10, B=7, C=-20

Which example below uses the quadratic formula correctly?

Tags

CCSS.HSA-REI.B.4B

• No Solution, because of the negative under the square root.

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve Using the Quadratic Formula
 x² + 4x - 40 = -8

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

Tags

CCSS.HSA-REI.B.4B

Which letter corresponds to the leading coefficient of a quadratic expression or equation?

• a

• b

• c

• y

What should you do first in solving this equation?

x² + 6x - 13 = 3

• Factor

• Write down: a = 1, b = 6, c = -13

• Subtract 3 from both sides.

• Add 3 to both sides.

Tags

CCSS.HSA-REI.B.4B

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

x² + 4x + 1 = 0

• x = -2 ± √3

• x = -3 ± √2

• x = 2 ± √3

• x = 2 ± √2

Tags

CCSS.HSA-REI.B.4B