Alg 2: Solutions to Quadratics Homework (2021)

When looking at a quadratic graph, the solution(s) are always the _____________.

• y-intercept

• vertex

• x-intercept(s)

• axis of symmetry

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

What are the roots of (6r-1)(r+5)=0?

• r= 1 and r= 5

• r= 6 and r= 0

• r= - 1/6 and r= 5

• r= 1/6 and r= - 5

Tags

CCSS.HSA-REI.B.4B

What are the solutions when factoring?

• x = 6,2

• x = -6, -2

• x = 8, 12

• x = 4, 4

Tags

CCSS.HSA-REI.B.4B

The solutions of the quadratic equation
x²-5x+6=0 are

• x=1 or x=-6
• x=3 or x=2
• x=-3 or x= 2
• x=-1 or x=6

Tags

CCSS.HSA-REI.B.4B

Solve.

(2x - 4)² = 16

• x = 4

• x = 10

• x = -2

• x = 0, 4

Tags

CCSS.HSA-REI.B.4B

Solve by square root (undo)

4m² - 100 = 0

• m=25, -25

• m=96

• m=5, -5

• m=-96

Tags

CCSS.8.EE.A.2

Solve by Isolation/Square Roots:  $2\left(x-3\right)^2+10=20$  

•  $x=5\pm\sqrt{3}$  

•  $x=\pm3$  

•  $x=3\pm\sqrt{10}$  

•  $x=3\pm\sqrt{5}$  

Tags

CCSS.HSA-REI.B.4B

Solve by Square Root Undo:  $3\left(x+5\right)^2-147=0$  

•  $x=\pm5$  

•  $x=2,\ -12$  

•  $x=\pm\frac{\sqrt{49}}{3}$  

•  $x=\pm7$  

Tags

CCSS.HSA-REI.B.4B