Study Guide Quadratic Formula

Study Guide Quadratic Formula

9th Grade

13 Qs

quiz-placeholder

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Study Guide Quadratic Formula

Study Guide Quadratic Formula

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSA-REI.B.4B, HSA-SSE.B.3B, HSF-IF.C.8A

Standards-aligned

Created by

Anthony Clark

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 7 pts

What does the discriminant tell us?

The maximum or minimum

The y-intercept

The number and type of solutions

The axis of symmetry

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

1 min • 7 pts

What should you do first in solving this equation?
x2 + 6x - 13 = 3

Get factored form

Write down: a=1, b=6, c=-13

Make it equal 0 by subtracting 3 on each side

Type it all in a calculator.

Tags

CCSS.HSA-REI.B.4B

3.

DRAG AND DROP QUESTION

1 min • 7 pts

When the discriminant is (a)   there will be two imaginary roots.

Negative

Zero

Positive

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

1 min • Ungraded

Find the sum of the solutions.

5x2 + 6x - 1 = 0 (use 2 decimal places)

Use quadratic formula.

Add the values of x.

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

True. Both x=2 and x=-3 are roots.

False. x=2 is a root, but not x=-3.

False. x=-3 is a root, but not x=2.

False. Neither x=2 or x=-3 are roots.

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Use the quadratic formula to find the solutions for

y = -x2 - 5x + 12

No Real Solution

Media Image
Media Image
Media Image

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve using the Quadratic Formula


6x2 + 12x - 1 = 0

x = 0.08, -2.08

x = -0.08, 2.08

x = -0.08, -1.91

x = 0.08, 1.19

Tags

CCSS.HSA-REI.B.4B

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