Factoring Quadratic Equations - Quiz A - 4.30.21 - Mr. V

Factor  $x^2-64$            Be Careful!!!

•  $\left(x-8\right)\left(x+8\right)$  

•  $\left(x-4\right)\left(x+4\right)$  

•  $\left(x-32\right)\left(x+32\right)$  

•  $\left(x-16\right)\left(x+16\right)$  

Tags

CCSS.HSA.APR.C.4

The solutions of the quadratic equation

x²+12x+35=0 are

• x = -9 or x = -4

• x = 5 or x = 7

• x = -35 or x = -1

• x = -5 or x = -7

Tags

CCSS.HSA-REI.B.4B

What property would you use to solve the following?

(x-3)(x+2)=0

• Commutative Property

• Associative Property

• Zero Product Property

• Inverse Property

Tags

CCSS.HSA-REI.B.4B

What is this formula?

• This is the Pythagorean formula

• This is the Quadratic formula.

• This is the SOH CAH TOA formula

• This is the Circumference of a Circle formula

Tags

CCSS.HSA-REI.B.4B

What are the solutions to this equation:

3x(x + 12) = 0

• x = 3, x = -12

• x = - 3, x = 12

• x = 0, x = -12

• x = 0, x = 3

Tags

CCSS.HSA-REI.B.4B

Which one of the following is the standard form of a quadratic equation?

• y = mx + b

• $y=mc^2$

• $a^2+b^2=c^2$

• $ax^2+bx+c=0$

Foctor and find the solutions:

5x²-25x=5x-40

• x= -4, x = -2

• x= -4, x = 2

• x= 4, x = 2

• x = 1/2, x = 4

Tags

CCSS.HSA-REI.B.4B

For the quadratic equation x² + 3x + 2 = 0 which of the following are the factorized form?

• (x+3)(x+2) = 0

• (x+1)(x+6) = 0

• (x+1)(x+2) = 0

• (x+6)(x+5) = 0

Tags

CCSS.HSA-REI.B.4B

The formula for the axis of symmetry is:

• y = b² - 4ac

• y = -b/2a

• x = b² - 4ac

• x = -b/2a

What should you do first in solving this equation?

x² + 6x - 13 = 3

• Get factored form

• Write down: a=1, b=6, c=-13

• Make it equal 0 by subtracting 3 on each side

• Type it all in a calculator.

Tags

CCSS.HSA-REI.B.4B