Solving by Factoring

To solve the quadratic by factoring, the first thing to do is...
3x² + 18x + 15 = 0

• Take out the GCF

• Mutiply a and c

• Label a, b, and c

• Fill in the snowflake

Tags

CCSS.HSA-REI.B.4B

What is the first step in solving

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

• Plug in zero for x

• Multiply it out.

• replace x with y

• Set each binomial equal to 0 and then solve for x.

Tags

CCSS.HSA-REI.B.4B

What are the solutions to the graph?

• { -3, 1 }
• { -2 }
• { -3, -1 }
• { 1, 3 }

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSF-IF.C.7A

If the a value is positive, which direction does the graph open?

• up
• down
• left
• right

Tags

CCSS.HSF-IF.C.7A

If the a value is negative, which direction does the parabola open?

• up
• down
• left
• right

Tags

CCSS.HSF-IF.C.7A

Does the following quadratic equation have a maximum or minimum value? How can you tell?
y=x²+2x-3

• Minimum value, because the a value is positive
• Maximum value, because the b value is positive
• Maximum value, because the a value is positive
• Minimum value, because the c value is negative

Tags

CCSS.HSA.REI.B.4

Identify the 'a' value: y = 16x² -8x -24

• 16

• 8

• -8

• -24

Tags

CCSS.HSA.REI.B.4

Does this graph have a maximum or minimum?

• Minimum
• Maximum

Tags

CCSS.HSF-IF.C.7A

The highest or lowest point on a quadratic is called the...

• Max
• Vertex
• Axis of Symmetry
• Intercept

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7