A2 4.5 Solving Quadratics by Graphing

What is another way to say "where a function crosses the x-axis"?

• x-intercept
• zero
• root
• all of these.

Tags

CCSS.HSF-IF.C.7C

Which is a zero of the graph?

• 0
• -1
• 1.5
• -3

Tags

CCSS.HSF-IF.C.7A

.How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

Tags

CCSS.HSF-IF.C.7A

Calculate the roots of the quadratic.

• x = 6 and 3

• x = 1 and 0

• x = 0 and 3

• x = 3 and 1

Tags

CCSS.HSA-REI.B.4B

Calculate the zeros of the quadratic.

• x = 2 and -3
• x = 0 and 9/4
• x = 0 and 4/9
• x = 1/2 and 1/3

Tags

CCSS.HSA-REI.B.4B

What are the solutions of this graph?

• -2 and 3

• -1/2 and -6

• -2 and -6

• 3 and -6

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

How many solutions does this function have?

• two

• one

• all real numbers

• no real solutions

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.11

How many solutions does this function have?

• two

• one

• all real numbers

• no real solutions

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

What are the solutions to this function?

• x={2}

• x={2,0}

• x={-2}

• x={0,-2}

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.APR.B.3

Solutions to quadratic equations are the points where the functions intersects the y-axis.

• true

• false

Tags

CCSS.HSA.REI.D.10