Solving Equations
Equivalent Expressions
Percents
Linear relationships
Write an Equation
100
Solve the equation:
5n - 7 = 33
What is 8?
100
Write an equivalent expression without parentheses:
5(2n + 3)
What is 10n + 15?
100
Mr. Perez bought a new pair of sneakers that normally cost $150. He had a 25% off coupon. What was the final price of the sneakers?
What is $112.50?
100
What is Rosalba's earnings per week?
What is $150?
100
Write an equation to represent the relationship between the number of weeks worked (w) and the total earnings (t).
t = 150w
200
Solve the equation:
-8y + 1 = 33
What is y = -4?
200
Simplify:
-4y + 2 - 2y
What is -6y + 2?
200
Kevin bought a house for $800,000. He has to pay 2.5% of the value of the house each year for property taxes. How much will he have to pay in taxes in total over 4 years?
What is $80,000?
200
The graph shows how much water was in Hector's water bottle. How many mL were in the bottle when Hector first started recording?
What is 500 mL?
200
Explain the different parts of the equation.
500 is the starting amount in the bottle
-50 is the rate of change, the number of mL that Hector is drinking or pouring out per second.
x is the number of seconds
300
Solve the equation:
5(2n + 1) = 35
What is n = 3?
300
Simplify:
-8x + 2y + 4x - 3y
What is -4x - 1y?
300
Daniela bought a house for $920,000. She took out a mortgage to pay for 80% of the cost of the house. How much was her mortgage?
What is $736,000?
300
How many mL did Hector drink per second?
What is 50 mL per second?
300
Write an equation to represent the table.
Y = 3x + 4
400
Solve the equation:
8y + 3 = 2y + 45
What is y = 7?
400
Simplify:
3n + 5(n - 7)
What is 8n - 35?
400
Nassim bought a new iPhone for $1200. He got a special student discount of 20% off, but also had to pay an 8% tax on the sale price. What is the final price of his iPhone?
What is $1036.80?
400
What is the intersection point?
What is (5,300)?
400
Which of the following is an equation of a line that passes through the point (0, 5) and has a negative slope?
A. y = 5x
B. y = 5x - 5
C. y = 5x + 5
D. y = -5x - 5
E. y = -5x + 5
What is E?
Y = -5x + 5
500
Solve the equation:
6n - 2= -2n + 14
What is n = 2?
500
Simplify:
6y - 3(2y + 1)
What is -3?
500
Celine took out a $30,000 loan for college. She has to pay 1.5% interest on her loan each year. How much interest will she owe after 10 years?
What is $4,500?
500
What is the difference in total costs for a full year at these gyms?
What is $140?
500
Write an equation to relate Josh's time in the car, t, and d, number of miles he is from home.
-40t + 160= d