Solving Quadratic Equations

Solving Quadratic Equations

9th Grade

15 Qs

quiz-placeholder

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Solving Quadratic Equations

Solving Quadratic Equations

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSA-REI.B.4B, 8.EE.A.2, HSN.CN.C.7

Standards-aligned

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A lizard is jumping across the water in search of food. The equation h = -12t2 + 6t models the lizard's height in feet above the water t seconds after he jumps. How long after jumping is he back on the water?

0.1 seconds

0.25 seconds

0.50 seconds

0.75 seconds

1 second

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Heather dropped a water balloon over the side of her school building from a height of 80 feet. The approximate height of the balloon at any point during its fall can be represented by the following quadratic equation: h = -16t^2 + 80 About how long did it take for the balloon to hit the ground?

1.73 seconds

2.24 seconds

2.45 seconds

2.83 seconds

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the equation by taking square roots:

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the quadratic equation by taking the square roots. Allow for imaginary solutions.

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the quadratic equation by taking the square roots. Allow for imaginary solutions.

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by taking the square root:
x2 = 49

-7

7

49

-7, 7

Tags

CCSS.HSA-REI.B.4B

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