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Solve Quadratics Using Quadratic Formula

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Solve Quadratics Using Quadratic Formula
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Use the quadratic formula to find the solutions for
y = -x2 - 5x + 12

-4.9 and -0.1

-8.54 and 8.54

-0.45 and 3.55

-6.77 and 1.77

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A
B
C
D

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A
B
C
D

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A
B
C
D

Tags

CCSS.HSA-REI.B.4B

5.

MATH RESPONSE QUESTION

1 min • 1 pt

Media Image

Solve using the quadratic formula.

DO NOT SIMPLIFY ANYTHING.

TYPE THE FRACTION FIRST, INCLUDE PARENTHESES, AND INCLUDE +−+- !

−(7)+−(7)2−4(−2)(−16)2(−2)\frac{-\left(7\right)+-\sqrt{\left(7\right)^2-4\left(-2\right)\left(-16\right)}}{2\left(-2\right)}

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B

6.

LABELING QUESTION

1 min • 1 pt

Determine the solution of the equation 6x2=7x+96x^2=7x+9 . Then drag the values to the correct locations.

g
h
i

-49

12

-167

9

6

265

-7

189

7

-198

Tags

CCSS.HSA-REI.B.4B

7.

MATH RESPONSE QUESTION

1 min • 1 pt

Media Image

−3x2+15x+11=0-3x^2+15x+11=0

Solve using the quadratic formula.

DO NOT SIMPLIFY ANYTHING.

TYPE THE FRACTION FIRST, INCLUDE PARENTHESES, AND INCLUDE +−+- !

−(15)+−(15)2−4(−3)(11)2(−3)\frac{-\left(15\right)+-\sqrt{\left(15\right)^2-4\left(-3\right)\left(11\right)}}{2\left(-3\right)}

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B

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