Bellringer Oct 19

Bellringer Oct 19

10th - 12th Grade

4 Qs

quiz-placeholder

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Bellringer Oct 19

Bellringer Oct 19

Assessment

Quiz

Mathematics

10th - 12th Grade

Easy

CCSS
HSA-REI.B.4B

Standards-aligned

Created by

Regina Harris

Used 2+ times

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4 questions

Show all answers

1.

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

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When factoring
x2 - 4x + 4 = 20,
what goes in the blank?
(x - __ )2 = 20

4
2
8
20

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve by completing the square:
k2 − 12k + 23 = 0

{6 + √13, 6 - √13}
{-6 + √13, -6 - √13}
{6 + √59, 6 - √59}
{-6 + √59, -6 - √59}

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Complete the Square and solve the equation.
a2 - 2a - 35 = 0

1 ± √ 6
-7, 7
-5, 7
35, 37

Tags

CCSS.HSA-REI.B.4B

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