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Study Guide Quadratic Formula

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Study Guide Quadratic Formula
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If there is one solution, the discriminant is . . .

zero

a postive number

a negative number

a perfect square

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Solve - you choose the best method this time

A

B

C

D

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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What are the next steps to finish solving this quadratic equation by "completing the square"?

Subtract 3 from both sides

Take the square root of each side, then subtract 3 and finish simplifying both remaining roots if possible.

Subtract 7 to move to the left side, combine it wit the 3, then take the square root.

The problem is already solved.

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Which quadratic formula is set up correctly?

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Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which quadratic formula is set up correctly?

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Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is done to the "b" value to correctly complete the square?

square it

divide it by 2 and square the result

divide it by 2 and take the square root of the result

divide it by 2 only

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When do you use the plus or minus symbol?
±

After taking the square root of both sides

After adding the square to both sides

After taking half of b

After setting the equation equal to zero

Tags

CCSS.HSA-REI.B.4B

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