Exam 3: Linear Equations and Inequalities in Two Variables; Functions

Solve the problem. -The ratio of the distances a pitching wedge and an 8-iron will drive a golf ball is 4 to 5. If a golfer averages 76 yards with a pitching wedge, how far should she average with an 8-iron?

Provide an appropriate response. -If an equation has fractions as coefficients, what step will make work easier?

Determine the number by which both sides of the equation must be multiplied or divided, as specified, to obtain just x on the left side. --x = -0.05; divided

Solve the inequality and graph the solution set. -9 < 5t - 1 $\le$ 39

A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. -A = bh; b = 5, h = 6

Solve the problem. -Three islands have a total area of 5235 . Island A is 3164 larger than island B, and island B is 173 larger than island C. What is the area of each island?

Choose the one alternative that best completes the statement or answers the question Solve the equation. -4( 3x - 1) = 16

Solve the formula for the specified variable. -A = P(1 + nr) for r

Choose the one alternative that best completes the statement or answers the question. Find the LCD of the list of fractions. - ,

Solve the equation. -1.4x + 4.8 = 0.8x + 1.08

Solve the problem. -Carla works for $ 20 an hour. A total of 23% of her salary is deducted for taxes and insurance. How many hours must she work to take home $ 3080?

Multiply by powers of 10. -17.86 × 1000

Solve the equation. - x - = (x + 6)

Choose the one alternative that best completes the statement or answers the question. -Two angles are complimentary. One of the angles is r. How do you express the other angle?

Find the best buy and give the unit price. -Brand X 4 oz for $ 0.32 Brand Y 6 oz for $ 0.54

Solve the equation. - x - = -5

Solve the equation. --5x + 23 = -6x + 10

Solve the problem. -Students at East Central High School earned $ 364 selling subscriptions. They want to make $ 5000 for a club trip. What percent of their goal has been reached? Round to the nearest tenth of a percent, if necessary.

Translate the statement into an inequality. Use x as the variable. -Less than 18 inches of snow fell.

Solve the problem. -38% of what number is 76?