Five Methods for Solving Quadratic Equations

Five Methods for Solving Quadratic Equations

9th Grade

20 Qs

quiz-placeholder

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Five Methods for Solving Quadratic Equations

Five Methods for Solving Quadratic Equations

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSA-REI.B.4B

Standards-aligned

Created by

Anthony Clark

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the values for n.

-4, 2

-2, 4

-16

-4

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the first step to solving THIS equation by completing the square?
a2 + 10a + 21 = 0

Set the equation equal to zero

Divide 10 by 2 and add the result to both sides

Add a2 and 10a together

Subtract the 21

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

Solve the quadratic equation by factoring
a² + 10a + 21 = 0

± √21

-3 , -7

3 , 7

28 , -7

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

1 min • 12 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

5.

MATCH QUESTION

1 min • 10 pts

Media Image

Match the following.

By graphing

Using square roots

Solve using the Zero-Product Property

By factoring

Tags

CCSS.HSA-REI.B.4B

6.

MATCH QUESTION

1 min • 6 pts

Media Image

Match the following methods to solve quadratic equations with the scenario it is best used in

when the equation is factorable

QUADRATIC FORMULA

to check solutions

SQUARE ROOTS

when there is no "bx" term

COMPLETING THE SQUARE

when b is an even number if a=1

FACTORING

can be used in all cases

GRAPHING

Tags

CCSS.HSA-REI.B.4B

7.

DROPDOWN QUESTION

1 min • 1 pt

What are the two methods of solving quadratic equations?​ (a)   ​ (b)  

Factoring

Quadratic Formula

Plugging in numbers

Guess and check

Asking Ms. Casale

Tags

CCSS.HSA-REI.B.4B

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