Chapter 3 Review

Scientific Notation

100

0.000076 in scientific notation.

What is 7.6 x 10^-5

200

One hundred million in scientific notation.

What is 1.0 x 10⁸?

300

(4.57 x 10⁴)³ in scientific notation

What is 9.5 x 10¹³?

400

(8.2 x 10^-1)(7 x 10^-1)

What is 5.7 x 10^-1?

500

The number of hours it will take to travel 1.4 x 10⁸ km at a constant speed of 2.8 x 10⁴ km per hour in scientific notation.

What is 5.0 x 10³?

Equations

100

The solution to x - 19 = -30

What is -11?

200

The solution(s) to | b - 5 | = 10

What are b = 15 and -5?

300

The solution(s) to b² + 6b - 55 = 0

What are b = 5 and -11?

400

40=10sqrt(n)

What is 16?

500

3/(x^2) = 1/(x^2) + 1/x

What is 2?

Parallel/Perpendicular

100

This means the lines have the same slopes.

What is Parallel

200

This means the slopes are negative reciprocals

What is Perpendicular?

300

The slopes of 5 and 1/5 are this.

What is neither parallel nor perpendicular?

400

The lines of y = -3x + 9 and y = 1/3x - 4 are this.

What is Perpendicular?

500

The lines of 9x - 3y = 12 and 9x - 3y = 24 are this.

What is Parallel?

Polynomials

100

(3x² - 9x + 5) + (x² + 13x - 1)

What is 4x² + 4x + 4?

200

(8x + 5) - (2x² + 3)

What is -2x² + 8x + 2?

300

(4x³ - 6x - 1) + (x² - 3x) - (-15x - 4)

What is 4x³ + x² + 6x + 3?

400

(8x - 1)(7x - 2)

What is 56x² - 23x + 2?

500

(8x⁴ + 2x³ + 4x²) / 8x³

What is x + 1/4 + 1/2x?

Radicals

100

sqrt(36)

What is 6?

200

sqrt(80)

What is 

4sqrt(5)?

300

8sqrt(112)

What is

32sqrt(7)?

400

3sqrt(18x^5)

What is 

9x^2sqrt(2x)?

500

4root(3)(54x^8)

What is 

12x^2root(3)(2x^2)?