Solving Quadratic Equations (1B-2021)

Solve by factoring:
 $x^2-36=0$ 

•  $x=\pm6$  

•  $x=\pm36$  

•  $x=\pm18$  

• No real solutions

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:
 $x^2+10x+24=0$ 

•  $x=6\ or\ x=4$  

•  $x=\pm\sqrt{14}$  

•  $x=-6\ or\ x=-4$  

• No real solutions

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:
 $x^2+2x-15=0$ 

•  $x=3\ or\ x=-5$  

•  $x=\pm\sqrt{13}$  

•  $x=-3\ or\ x=5$  

• No real solutions

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:
 $x^2-10x+16=0$ 

•  $x=-2\ or\ x=-8$  

•  $x=\pm\sqrt{6}$  

•  $x=2\ or\ x=8$  

• No real solutions

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:
 $2x^2+6x-8=0$ 

•  $x=2\ or\ x=-8$  

•  $x=-1\ or\ x=4$  

•  $x=1\ or\ x=-4$  

• No real solutions

Tags

CCSS.HSA-REI.B.4B

• -4, 2
• -2, 4
• -16
• -4

Tags

CCSS.HSA-REI.B.4B

• -3, 4
• 3, 4
• -4, -3
• -3

Tags

CCSS.HSA-REI.B.4B

• -6, -2
• -2, 6
• 2, 6
• -6, 2

Tags

CCSS.HSA-REI.B.4B

Convert x²-9x+20 to factored form and solve.

• (x-10)(x+2); x=-2, 10
• (x+4)(x+5); x=-5, -4
• (x-4)(x-5); x=4, 5
• Not factorable

Tags

CCSS.HSA-REI.B.4B

Solve:
x² - 49 = 0

• x = -7, x = 7
• x = -7
• x = 7
• x = -7, x = 1

Tags

CCSS.8.EE.A.2