Exam 1: Introduction to Real Numbers and Algebraic Expressions

Graph the numbers on a number line. - $-4 \frac{2}{3},-2,0,2 \frac{2}{3}$

Divide, if possible. - $-84 \div 7$

State the real number that corresponds to the situation. -Mr. Voss decreased his speed by 16 miles per hour.

Translate the phrase to an algebraic expression. -Two multiplied by $x$

Write exponential notation. - $8 \times 8 \times 8 \times 8$

Collect like terms. - $9 a-2 a+7$

Graph the numbers on a number line. - $-4,-2,0,2$

Solve the problem. -Over the last four years, home values have fallen approximately 0.463. Express this decimal as a percent.

Write an equivalent expression. Use an associative law. - $a+(b+3)$

Find the prime factorization of the number. -87

Solve the problem. -The stock market gained 18 points on Tuesday and lost 36 points on Wednesday. Find the difference between these changes.

Subtract. -

Add. Do not use a number line except as a check. - $-2.4+(-7.5)$

Find an equivalent expression with the given denominator. - $\frac{4}{7}=\frac{?}{7 y}$

Subtract. - $-\frac{1}{8}-\frac{3}{5}$

Divide. - $-\frac{3}{4} \div\left(-\frac{4}{3}\right)$

Add. Do not use a number line except as a check. - $3+(-8)$

Subtract. -0 - 28

Divide. - $-1.8 \div 0.09$

Multiply. - $-2 \cdot(-0.2) \cdot 5$