Unit 1 - Solving Equations and Inequalities Practice Scrimmage

yes

Use cross products to determine whether the pair of ratios 4/6 and 14/21 form a proportion. Write yes or no.

x = 𝒃𝒄/ 𝒂 , a ≠ 0

Solve a/b x - c = 0 for x.

14.4

Solve each equation:

45

Solve each equation:

6

Solve each equation: -3a + 4 = -14

{x |x ≥ 84}

Solve each inequality

{x |x < 8}

Solve each inequality 4x - 5 < 2x + 11

{x |x < - 4}

Solve each inequality. 7 + x < 3

h = 𝟐𝑨/b

Solve the formula A = 1/2bh for h.

22.5

Solve the proportion

-1

-x + 4 = x + 6

All real numbers

5n + 7 = 7(n + 1) - 2n

$42,500

Company ABC earned a profit of $25,500 in 6 months. At this rate, how much profit will Company ABC earn in 10 months?

Three times the sum of x and y equals two times y minus x.

Translate the following equation into a verbal sentence. 3(x + y) = 2y - x

36 - x = 3(4 + x)

Translate the following sentence into an equation. A number x subtracted from 36 is three times the sum of four and x

-3

Twelve is added to the product of a number and 5. The result is -3. Find the number.

16.2

What number decreased by 3.5 equals 12.7?

4 times n cubed plus 6

Write a verbal expression for 4n^3 + 6.

5(2x)

the product of 5 and twice a number

n² + 34

the sum of the square of a number and 34