Solving Linear Equations
x + 3 = -9
What is - 12
Simplify: sqrt(27)
What is 3sqrts
Set up and solve the following: six times a number is equal to 144.
What is 6x = 144, x = 24
Solve for x: -3.5x = 18
What is -5.1
Simplify: sqrt(80)
What is 4sqrt5
Suppose that the water level of a river is 34 feet and that it is receding at a rate of 0.5 foot per day. Write an equation for the water level, y, after x days. What will the water level be after 4 days?
What is y = -0.5x + 34, y = 32 feet after 4 days
Solve for y: 4y + 9 = 81
What is 18
Simplify: 2*sqrt(169)
What is 26
331 students went on a field trip. Six buses were completely filled with students and 7 students had to travel in a car. Set up and equation use the equation to solve for x to determine how many students were on each bus.
What is 331 = 6x + 7 ; x = 54 students per bus
Solve: -2(x + 7) + 13 = 1
What is -1
Simplify: sqrt(300)
What is 10sqrt(3)
The linear model that shows the total income for the salesperson is y = 300x + 40,000. (a) What would be the salesperson’s income if he sold 150 machines? (b) How many machines would the salesperson need to sell to earn a $100,000 income?
What is a) $85,000 b) To earn a $100,000 income the salesperson would need to sell 200 machines.
Solve for x:
4x + 3 = 9x - 8
What is 2.2
Simplify: sqrt(224)
What is 4sqrt(14)
Jeremy wants to buy a new pair of J's that are $250. He starts saving with $20, and he put $15 of his allowance each week. How long will it take him to get his shoes?
What is 16 weeks?