Foundations of Algebra - S1 Part 2

Proportions

100

Solve this proportion:

x/5 = 8/10

x = 4

200

Solve this proportion:

2/3 = y/9

y = 6

300

Solve this proportion:

(x+4)/2 = 35/10

x = 3

400

Solve this proportion:

3/12 = 2/(x+6)

x = 2

500

Solve this proportion:

3/(x+1) = 5/(x-3)

x = -7

Vocabulary

100

Identify the constant term in this expression:

4x² - 3x + 1

1

200

Identify the coefficient term in this expression:

12k - 34

12

300

Identify the exponent with the highest degree in this expression:

-3x² - 12x³ + 5x - 2x⁴ + x⁵

5 --> (x⁵)

400

Identify the variable in this expression:

8x - 10

x

500

What is the name of this symbol:

<

Less than

Solving and Graphing Inequalities

100

Solve and graph the following inequality:

x - 4 > 8

x > 12

200

Solve and graph the following inequality:

2x < 12

x < 6

300

Solve and graph the following inequality:

3x + 2 < 14

x < 4

400

Solve and graph the following inequality:

x/-2 > -4

x < 8

500

-4x - 5 > 3

x < -2