Solving Quadratic Equations by Extracting Square Roots

Solve using square roots.

• A

• B

• C

• D

Tags

CCSS.8.EE.A.2

Solve using square roots.

• ±√9

• ±3

• ±1

• No real solution

Tags

CCSS.HSA-REI.B.4B

• No Solution

• x = 3, -3

• x = -21, 21

• x = 7, -7

Tags

CCSS.8.EE.A.2

What are the roots / solutions of the quadratic equation (x+ 1)² = 50?

Tags

CCSS.HSA-REI.B.4B

What appropriate method of solving can we used in the equations that are written in the form x² = c?

• factoring

• quadratic formula

• extracting square roots

• completing the square

Tags

CCSS.HSA-REI.B.4B

the quadratic equation written in the form x² = c, if c < 0, then how many real solutions does it have?

• 3

• 2

• 1

• no real roots

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.8.EE.A.2

A _______ of a number is a value that can be multiplied by itself to give the original number.

• sum

• real number

• square root

• constant

Tags

CCSS.8.EE.A.2

The equation 𝑥 2 = 𝑐, (𝑐 < 0) has ____________ solutions?

• none

• one

• two

• three

Tags

CCSS.8.EE.A.2

What is an equation with the highest exponent of the variable is two?

• Linear Equation

• Quadratic Equation

• Absolute Value

• Polynomial Equation