Exam 2: Linear Equations

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. -Write a linear equation that can be solved using the addition property of equality and that has x = -7 as a solution.

Solve the problem. -Dr. Smith can see 11 patients in 2 hours. At this rate, how long would it take him to see 66 patients?

Choose the one alternative that best completes the statement or answers the question. Solve the problem. -Find the measure of an angle, if its supplement measures 51° more than twice its complement.

Choose the one alternative that best completes the statement or answers the question. Solve the problem. -A bag of marbles has twice as many blue marbles as green marbles, and the bag has at least 45 marbles in it. At least how many green marbles does it have?

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. -Find the missing value such that x = 5 is a solution to 4x + 19x - 6 = ? + 5.

Solve the problem. -In a sample of 99 widgets, 7 were defective. How many defective widgets would you expect in a sample of 792 widgets?

Solve the problem. -To convert a Fahrenheit temperature to a Celsius temperature, we subtract 32 from the Fahrenheit temperature and then multiply the result by $\frac { 5 } { 9 }$ . When the temperature is below $29 ^ { \circ } \mathrm { F }$ the first grade students are not allowed to play outside. What is this temperature in degrees Celsius?

Determine whether the given value is a solution of the equation. - $x = \frac { 1 } { 4 } , \frac { 2 } { 9 } x + \frac { 17 } { 18 } = 1$

Choose the one alternative that best completes the statement or answers the question. Solve the problem. -A 9-pound puppy is gaining weight at a rate of $\frac { 2 } { 3 } \mathrm { lb }$ per week. How much more time will it take for the puppy's weight to exceed $28 \frac { 2 } { 3 } \mathrm { lb }$ ?

Solve the problem. -There are two types of tickets for a school play: child tickets that sell for $2 each and adult tickets that sell for $7 each. A total of 80 tickets are sold, bringing in a total of $410. How many adult Tickets are sold?

Choose the one alternative that best completes the statement or answers the question. Solve. -4n - 9 = 27

Solve by using the multiplication property of equality. --3x = -12

Answer the question or solve the problem. -From a point on a straight road, John and Fred ride bicycles in opposite directions. John rides 7 miles per hour and Fred rides 5 miles per hour. In how many hours will they be 60 miles apart?

Solve the problem. -If a ≤ b, is it always true that a $- 7 \leq b - 7 ? \text { Explain }$

Determine whether the given equation is linear. --2(x + 4) = 7

Solve the problem. -There are two types of tickets for a school play: student tickets and tickets for the general public. The total cost for one student ticket and one general public ticket is $9. The total cost for 13 student Tickets and 12 general public tickets is $110. How much does a student ticket cost?

Choose the one alternative that best completes the statement or answers the question. Solve the problem. -The sum of two consecutive integers is -389. Find the larger integer.

Answer the question or solve the problem. -The sum of the measures of the angles of any triangle is 180°. In triangle ABC, angles A and B have the same measure, while the measure of angle C is 60° larger than each of A and B. What are the Measures of the three angles?

Choose the one alternative that best completes the statement or answers the question. Solve the problem. -A car rental company has two rental rates. Rate 1 is $72 per day plus $0.18 per mile. Rate 2 is $144 per day plus $0.09 per mile. If you plan to rent for one week, how many miles would you need to Drive to pay less by taking Rate 2?

Solve the problem. - $\text { essica wanted to solve the following problem: The price of an item increased by } 15 \% \text {. The }$