MCAP Review

Exponents and Scientific Notation

100

4² x 4⁶

4⁸

200

7¹⁴/7⁵

7⁹

300

(5⁹ x 8⁴)³

5²⁷ x 8¹²

400

6^-4

1/6⁴

500

x^-3y⁴z²

(y⁴z²⁾/x³

Write an Equation

100

Write an equation for the sentence below.

The sum of a number, n, and 5 is 7. 

n + 5 = 7

200

Write an equation for the sentence below:

The sum of 15 and 6 times a number, t, is 81.

15 + 6t = 81

300

Write an equation for the situation below:

An electrician charges $40 to come to your house. She also charges $55 for every hour she works. The electrician charges you a total of $190. (use h for hours)

55h + 40 = 190

400

Write an equation for the situation below:

A taxi charges $1.75 plus a fee of $0.75 for each mile traveled. The total cost of the ride is $4.75. (use m for miles traveled)

4.75 = 1.75 + 0.75m

500

Write an equation for the sentences below:

A number s is subtracted from 7. When the result is divided by 3, your final answer is 2.

(7-s)/3 = 2

Solve Equations

100

x / 3 = 6

x = 18

200

4x - 6 = 22

x = 7

300

16 = -5x + 6

x = -2

400

5x + 17 = x + 1

x = -4

500

4(x + 2) - 5(2x + 6) = 8

x = -5

Square Roots

100

The square root of 25

5

200

The square root of 256

16

300

Estimate the square root of 22 (one decimal place)

4.7

400

Estimate the square root of 98 (one decimal place)

9.9

500

Estimate the square root of 5 (two decimal places)

2.24 or 2.25

Lines

100

The slope and y-intercept of the line below:

y = -4x + 6

Slope: -4

Y-intercept: 6

200

The slope and y-intercept of the line below:

y = -3 + 1/2x

Slope: 1/2

Y-intercept: -3

300

Write the following equation in slope-intercept form:

5x + y = 4

y = -5x + 4

400

Write the following equation in slope-intercept form:

6x + 3y = 9

y = -2x + 3

500

Write the following equation in slope-intercept form:

3x - 2y = -8

y = (3/2)x + 4