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quadratics

Authored by Aurelia Romo

Mathematics

9th Grade

CCSS covered

Used 13+ times

quadratics
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9 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What are the zeros of the function?

(-2, 4) and (-2,0)

(-4,0) and (0,0)

(-4,4) and (0,0)

(0,4) and (0,-4)

Answer explanation

Media Image

the zeros are where the curve touches the x-axis (the ground) you write the zeros as points (x,y)

Tags

CCSS.HSF-IF.C.7A

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What is the vertex?

(-4,0)

(-2,4)

(0,0)

(0,4)

Answer explanation

Media Image

the vertex is the turning point of the parabola (the curve). It will be the highest or the lowest point written (x,y)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the axis of symmetry?

x=-2

x=0

y=-2

y=0

Answer explanation

Media Image

the axis of symmetry is the line cutting the curve (parabola) in half, we describe it by writing x= and then writing the number it touches on the x axis.

Tags

CCSS.HSF-IF.C.7A

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the domain?

D: all real numbers

Answer explanation

Media Image

Since the graph has arrows and goes on forever, all of the x's are included

so D: all real numbers

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the y intercept?

(0,-9)

(-9,0)

(-3,0)

(3,0)

Answer explanation

Media Image

the y intercept is where the parabola (curve) touches the y axis, written as a point (x,y)

Tags

CCSS.HSF-IF.C.7A

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the range of the function?

R: all real numbers

Answer explanation

Media Image

the parabola opens up so we use the greater than sign

range is always describing the y's

the number written is the max or min ( in this case -9)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many zeros?

0

1

2

3

Answer explanation

Media Image

Tags

CCSS.HSF-IF.C.7A

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