Chapter 7

Write in slope-intercept form the equation of the line that passes through the given point and has the given slope, or that passes through the given points. \((-2,-1)\) and \((4,2)\)

List all the common factors of the pair of numbers. $$ 3,21 $$

Evaluate the expression for the given values of the variables. (Lesson 1.2 ) \(g-h^{2}\) when \(g=4\) and \(h=8\)

Add. Write the answer as a fraction or a mixed number in simplest form. $$ \frac{1}{10}+\frac{2}{3} $$

Write in slope-intercept form the equation of the line that passes through the given point and has the given slope, or that passes through the given points. \((6,5)\) and \((2,1)\)

List all the common factors of the pair of numbers. $$ 4,28 $$

Evaluate the expression for the given values of the variables. (Lesson 1.2 ) \(x^{2}+z\) when \(x=8\) and \(z=12\)

Add. Write the answer as a fraction or a mixed number in simplest form. $$ \frac{3}{4}+\frac{1}{6} $$

Write in slope-intercept form the equation of the line that passes through the given point and has the given slope, or that passes through the given points. \((4,-5)\) and \((-1,-3)\)

List all the common factors of the pair of numbers. $$ 21,27 $$

Your teacher is giving a test worth 250 points. There are 68 questions. Some questions are worth 5 points and the rest are worth 2 points. How many of each question are on the test? (Lesson 7.4)

Add. Write the answer as a fraction or a mixed number in simplest form. $$ \frac{17}{32}+\frac{1}{4} $$

Check whether each ordered pair is a solution of the inequality. \(3 x-2 y<2 ;(1,3),(2,0)\)

List all the common factors of the pair of numbers. $$ 10,50 $$

Write the fraction or mixed number as a decimal. (Skills Review pp. 763,767) $$ \frac{22}{5} $$

Add. Write the answer as a fraction or a mixed number in simplest form. $$ \frac{19}{20}+\frac{7}{8} $$

Check whether each ordered pair is a solution of the inequality. \(5 x+4 y \geq 6 ;(-2,4),(5,5)\)

List all the common factors of the pair of numbers. $$ 12,30 $$

Write the fraction or mixed number as a decimal. (Skills Review pp. 763,767) $$ \frac{37}{4} $$

Use the substitution method to solve the linear system. \(\begin{aligned}-6 x-5 y &=28 \\ x-2 y &=1 \end{aligned}\)

List all the common factors of the pair of numbers. $$ 18,96 $$

Write the fraction or mixed number as a decimal. (Skills Review pp. 763,767) $$ \frac{51}{12} $$

Use the substitution method to solve the linear system. \(m+2 n=1\) \(5 m-4 n=-23\)

List all the common factors of the pair of numbers. $$ 78,105 $$

Write the fraction or mixed number as a decimal. (Skills Review pp. 763,767) $$ \frac{56}{20} $$

Use the substitution method to solve the linear system. \(g-5 h=20\) \(4 g+3 h=34\)

List all the common factors of the pair of numbers. $$ 84,154 $$

Write the fraction or mixed number as a decimal. (Skills Review pp. 763,767) $$ 1 \frac{1}{2} $$

Decide whether the statement is true or false. Explain. \(\frac{1}{4}=\frac{3}{12}\)

Write the fraction or mixed number as a decimal. (Skills Review pp. 763,767) $$ 3 \frac{4}{5} $$

Decide whether the statement is true or false. Explain. \(\frac{5}{7}=\frac{25}{35}\)

Write the fraction or mixed number as a decimal. (Skills Review pp. 763,767) $$ 4 \frac{1}{4} $$

Decide whether the statement is true or false. Explain. \(\frac{6}{16}=\frac{3}{7}\)

Write the fraction or mixed number as a decimal. (Skills Review pp. 763,767) $$ 6 \frac{7}{8} $$

Decide whether the statement is true or false. Explain. \(\frac{2}{11}=\frac{10}{55}\)

Decide whether the statement is true or false. Explain. \(\frac{250}{350}=\frac{2}{3}\)