Practice Test

466.

Find the prime factorization of $756 .$

467.

Combine like terms: $5 n + 8 + 2 n - 1$

468.

Evaluate when $x = −2$ and $y = 3 :$ $\frac{| 3 x - 4 y |}{6}$

469.

Translate to an algebraic expression and simplify:

ⓐ eleven less than negative eight

ⓑ the difference of $−8$ and $−3$ , increased by 5

470.

Dushko has nickels and pennies in his pocket. The number of pennies is seven less than four times the number of nickels. Let $n$ represent the number of nickels. Write an expression for the number of pennies.

471.

Round $28.1458$ to the nearest

ⓐ hundredth ⓑ thousandth

472.

Convert

ⓐ $\frac{5}{11}$ to a decimal ⓑ $1.15$ to a percent

473.

Locate $\frac{3}{5}, 2.8, and - \frac{5}{2}$ on a number line.

In the following exercises, simplify each expression.

474.

$8 + 3 [6 - 3 (5 - 2)] - 4^{2}$

475.

$− (4 - 9) - (9 - 5)$

476.

$56 \div (−8) + (−27) \div (−3)$

477.

$16 - 2 | 3 (1 - 4) - (8 - 5) |$

478.

$−5 + 2 {(−3)}^{2} - 9$

479.

$\frac{180}{204}$

480.

$- \frac{7}{18} + \frac{5}{12}$

481.

$\frac{4}{5} \div (- \frac{12}{25})$

482.

$\frac{9 - 3 \cdot 9}{15 - 9}$

483.

$\frac{4 (−3 + 2 (3 - 6))}{3 (11 - 3 (2 + 3))}$

484.

$\frac{5}{13} \cdot 47 \cdot \frac{13}{5}$

485.

$\frac{- \frac{5}{9}}{\frac{10}{21}}$

486.

$−4.8 + (−6.7)$

487.

$34.6 - 100$

488.

$−12.04 \cdot (4.2)$

489.

$−8 \div 0.05$

490.

$\sqrt{−121}$

491.

$(\frac{8}{13} + \frac{5}{7}) + \frac{2}{7}$

492.

$5 x + (−8 y) - 6 x + 3 y$

493.

ⓐ $\frac{0}{9}$ ⓑ $\frac{11}{0}$

494.

$−3 (8 x - 5)$

495.

$6 (3 y - 1) - (5 y - 3)$