Exam #1 Review

We know that π (Pi) is approximately equal to 3.141592654... To which subset of the real numbers does π belong?

• Irrational Numbers

• Rational Numbers

• Integers

• Natural Numbers

Is the following number rational or irrational? √2

• Rational
• Irrational

√4+√25

• rational
• irrational

In between what two integers is the square root of 77?

• 5 and 6
• 6 and 7
• 7 and 8
• 8 and 9

Level 3: Estimate the square root.

• Between 7 and 8 and closer to 8

• Between 8 and 9 and closer to 9

• Between 9 and 10 and closer to 9

• Between 9 and 19 and closer to 10

Order 3π, √ 10 , and 3.25 from least to greatest.

• √ 10, 3π, 3.25
• √ 10, 3.25, 3π
• 3π, 3.25, √ 10
•  3.25, √ 10, 3π

Place numbers in order from greatest to least.

• 6 1/6, 62%, 0.6, 2π, -0.062

• 2π, 62%, 6 1/6, 0.6, -0.062

• 6 1/6, 2π, 62%, 0.6, -0.062

• 2π, 6 1/6, 62%, 0.6, -0.062

8v - 4(v + 8) = 8

• 2
• 10
• 4
• -4 

2x - 3 + 4x = 27

• 12
• 4
• 5
• 15

3x + 2(4x - 4) = 3

• 4
• 3
• 2
• 1