Solving Quadratic Review Day

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

Tags

CCSS.HSF-IF.C.7C

Solve
4m² - 100 = 0

• m=25, -25

• m=96

• m=5, -5

• m=-96

Tags

CCSS.8.EE.A.2

Solve by taking square roots:
k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no solution

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• x = 5 and x = 12

• 
• 
• 

Tags

CCSS.HSA-REI.B.4B

What are the zeros of the quadratic?

• -2, 1

• 1, 2

• -1,2

• 0,-4

Tags

CCSS.HSF-IF.C.7A

Find the vertex of f(x) = -x² - 4x + 12.

• (-2, 16)

• (2, 0)

• (2, 4)

• (-2, 4)

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

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

What is the standard form for a Quadratic?

• ax²+ bx = - c

• x = -b ± √(b²-4ac) / 2a

• ax² + bx + c

• y = mx + b

If the zeros of a quadratic are 5 and -2, which would be the correct quadratic equation?

• y = x² + 3x - 10

• y = x² - 3x - 10

• y = x² + 2x - 5

• y = x² + 5x - 2

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A