Solving Quadratics by Factoring and Square Root Property HW

Use the square root property to solve the Quadratic Equation.
x² = -49

• ± 7
• -7
• ± 2401
• ± 7i

Tags

CCSS.HSA-REI.B.4B

Use the square root property to solve the Quadratic Equation.
2(x - 4)² = 200

• ±10
• -14, 6
• -6, 14
• 100

Tags

CCSS.HSA-REI.B.4B

Solve the equation using the zero product property.
(x- 9)(x + 3) = 0

• x = 3 or x = 9
• x = 3 or x = -9
• x + -3 or x = 9
• x = -3 or x = -9

Tags

CCSS.HSA-REI.B.4B

Solve the equation by factoring.
x² + 13x + 40 = 0

• -8, 5
• -40, -1
• 5, 8
• -8, -5

Tags

CCSS.HSA-REI.B.4B

True or False: The solutions, roots, x-intercepts, and zeros of a quadratic function are all the same thing.

• True: They are all the same

• False: They are all different

Use the Square Root Method to find the x-intercepts:  $x^2=16$  

•  $x=\pm4$  

•  $x=\pm8$  

•  $x=4$  

•  $x=8$  

Tags

CCSS.HSA-REI.B.4B

Use the Square Root Method to find the solutions:  $x^2+4=68$  

•  $x=\pm8$  

•  $x=\pm\sqrt{8}$  

•  $x=8$  

•  $x=\pm64$  

Tags

CCSS.HSA-REI.B.4B

Use the Square Root Method to find the solutions:  $7x^2+1=8$  

•  $x=\pm1$  

•  $x=\pm7$  

•  $x=\pm\sqrt{7}$  

•  $x=\pm8$  

Tags

CCSS.HSA-REI.B.4B

Use the Square Root Method to find the solutions:  $\left(x-2\right)^2=9$  

•  $x=\pm3$ 

•  $x=5,\ x=-1$  

•  $x=-5,\ x=1$  

•  $x=\pm9$  

Tags

CCSS.HSA-REI.B.4B

Use the Square Root Method to find the roots:  $\left(x-2\right)^2=49$  

•  $x=9,\ x=-5$  

•  $x=\pm9$  

•  $x=\pm5$  

•  $x=\pm7$  

Tags

CCSS.HSA-REI.B.4B