Elementary Algebra

# Practice Test

Elementary AlgebraPractice Test

### Practice Test

631.

Determine whether each number is a solution to the equation $6x−3=x+206x−3=x+20$.

5
$235235$

In the following exercises, solve each equation.

632.

$n − 2 3 = 1 4 n − 2 3 = 1 4$

633.

$9 2 c = 144 9 2 c = 144$

634.

$4 y − 8 = 16 4 y − 8 = 16$

635.

$−8 x − 15 + 9 x − 1 = −21 −8 x − 15 + 9 x − 1 = −21$

636.

$−15 a = 120 −15 a = 120$

637.

$2 3 x = 6 2 3 x = 6$

638.

$x − 3.8 = 8.2 x − 3.8 = 8.2$

639.

$10 y = −5 y − 60 10 y = −5 y − 60$

640.

$8 n − 2 = 6 n − 12 8 n − 2 = 6 n − 12$

641.

$9 m − 2 − 4 m − m = 42 − 8 9 m − 2 − 4 m − m = 42 − 8$

642.

$−5 ( 2 x − 1 ) = 45 −5 ( 2 x − 1 ) = 45$

643.

$− ( d − 9 ) = 23 − ( d − 9 ) = 23$

644.

$1 4 ( 12 m − 28 ) = 6 − 2 ( 3 m − 1 ) 1 4 ( 12 m − 28 ) = 6 − 2 ( 3 m − 1 )$

645.

$2 ( 6 x − 5 ) − 8 = −22 2 ( 6 x − 5 ) − 8 = −22$

646.

$8 ( 3 a − 5 ) − 7 ( 4 a − 3 ) = 20 − 3 a 8 ( 3 a − 5 ) − 7 ( 4 a − 3 ) = 20 − 3 a$

647.

$1 4 p − 1 3 = 1 2 1 4 p − 1 3 = 1 2$

648.

$0.1 d + 0.25 ( d + 8 ) = 4.1 0.1 d + 0.25 ( d + 8 ) = 4.1$

649.

$14 n − 3 ( 4 n + 5 ) = −9 + 2 ( n − 8 ) 14 n − 3 ( 4 n + 5 ) = −9 + 2 ( n − 8 )$

650.

$9(3u−2)−4[6−8(u−1)]9(3u−2)−4[6−8(u−1)]$ $=3(u−2)=3(u−2)$

651.

Solve the formula $x−2y=5x−2y=5$ for y
when $x=−3x=−3$
in general

In the following exercises, graph on the number line and write in interval notation.

652.

$x ≥ −3.5 x ≥ −3.5$

653.

$x < 11 4 x < 11 4$

In the following exercises,, solve each inequality, graph the solution on the number line, and write the solution in interval notation.

654.

$8 k ≥ 5 k − 120 8 k ≥ 5 k − 120$

655.

$3 c − 10 ( c − 2 ) < 5 c + 16 3 c − 10 ( c − 2 ) < 5 c + 16$

In the following exercises, translate to an equation or inequality and solve.

656.

4 less than twice x is 16.

657.

Fifteen more than n is at least 48.

658.

Samuel paid $25.82 for gas this week, which was$3.47 less than he paid last week. How much had he paid last week?

659.

Jenna bought a coat on sale for \$120, which was $2323$ of the original price. What was the original price of the coat?

660.

Sean took the bus from Seattle to Boise, a distance of 506 miles. If the trip took $723723$ hours, what was the speed of the bus?

Order a print copy

As an Amazon Associate we earn from qualifying purchases.