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Solving Equations

Authored by NORUL BM

Mathematics

9th - 12th Grade

Used 4+ times

Solving Equations
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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You want to solve for x. Which of these is the correct "step 1"?

log78=log7x\log_78=\log_7x

log742=log7x\log_742=\log_7x

log748=log7(x6)\log_748=\log_7\left(\frac{x}{6}\right)

log754=log7x\log_754=\log_7x

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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Finish solving for x

x = 6

x = 7

x = 8

x = 56

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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We want to solve for x. What's the first step?

Rewrite as a logarithm: log1893=x\log_{189}3=x

Rewrite as a logarithm: log3189=x\log_3189=x

Rewrite 189 with a base of 3: 3x=3633^x=3^{63}

Rewrite 189 with a base of 3: 3x=393^x=3^9

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Solve for x.
 2log410=log4(8x)+log4(5)2\log_410=\log_4\left(8x\right)+\log_4\left(5\right)  

x = 2.5

x = 0.5

x = 1.538

x = 11.875

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

logx1000=3

1

10

30

3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

log4(3x-1)=log4(2x+3)

4

3

1

8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Log with a base "e" (loge) is the same thing as...

"e"
Natural Logarithm (LN)
Common Logarithm (Log)
Natural Log, base "e"
LNe

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