Solving Quadratic Equations

Which are better?

• DOGS!!!!!!!!!!!!!!!!!!!!!!!!!!!!

• cats

ax²+bx+c=0  is the standard form of a quadratic equation.

• True
• False

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

How many roots can a quadratic function have?

(select all that are true)

• 0

• 1

• 2

• Infinite

Which word is not a term for where the graph crosses the x-axis?

• Root

• Zero

• Solution

• Y-Intercept

Tags

CCSS.HSF-IF.C.7D

What are the zeros for this graph?

• $x=\left\{-3,1\right\}$

• $x=\left\{-3,0\right\}$

• $x=\left\{-1,-8\right\}$

• $x=\left\{-6,-3\right\}$

Tags

CCSS.HSF-IF.C.7A

Solve for the values of x:

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

• { 2, 3 }

• { -2, -3 }

• { 2, 3 }

• { -2, 3 }

Tags

CCSS.HSA-REI.B.4B

Solve for the values of x:
(x - 3)(x + 6) = 0

• { -3, -6 }
• { 3, -6 }
• { -3, -6 }
• { 3, 6 }

Tags

CCSS.HSA-REI.B.4B

what date is Christmas?

• December 31st

• December 24th

• December 25th

• December 15th

Tags

CCSS.RI.11-12.3

CCSS.RI.11-12.5

CCSS.RI.8.3

CCSS.RI.9-10.3

CCSS.RI.9-10.5

Solve by factoring

Tags

CCSS.HSA-REI.B.4B