Expressions & Parts
Identify the coefficient in the expression 7x+12.
What is 7?
Solve: x+7=15.
What is x=8?
Solve for x: ax=b
What is x= b/a?
Solve and graph x+3>8.
What is x>5 (open circle at 5, arrow going to the right)
3x + x = 2x
What is one solution?
(x=0)
In 3(2x+4), what is the constant after simplifying?
What is 12?
Solve: 7x = 84
What is x=12?
Solve for y: y + m=n
What is y= n - m?
Solve and graph 2x ≤ 10.
What is x ≤ 5 (closed circle at 5, arrow going to the left)
3x + x = 4x + 2
What is no solution?
Interpret the expression 200+15x if x is the number of hours a car is rented.
What is $200 is the base cost; $15 per hour; x = number of hours?
Solve: 2 - 3 (x - 1)= 13
What is x=-8/3?
Solve for h: A = 1/2bh
What is h= 2A/b?
Solve and graph −3x > 12.
x < −4 (open circle at -4, arrow going to the left)
2 - 2x = -2(x - 1)
What is infinitely many solutions?
Break down 5y²+y+3 Name the terms, coefficients, and constant.
What is Terms: 5y², y, 3; Coefficients: 5 and 1; Constant: 3?
What are the first 2 steps: -1/4 (x + 4) = -3/4 x + 2
What is the distributive property and the addition property of equality?
Solve for x: mx + b = y
What is x= y-b/m?
Solve and graph 5x −2 ≥ 18.
x ≥ 4 (closed circle at 4, arrow going to the right)
14- 5x - 8 - x = 3 + 15 - 12x - 6x
What is one solution?
A cell phone plan charges $25 for unlimited texting plus $0.10 per minute. Write an expression for the cost of m minutes.
What is 25+0.10m?
Solve: 2(x-5) = 9 - 3x + 6 + 8 + 3x + 7
What is x=20?
Solve for x: x-3 / 4 = y
What is x= 4y + 3?
Solve: 7 - 2(x + 2) < -4 -3(1 - x)
What is x > 2?
5x + 4 = 5 (x + 4)
What is no solution?
(4=20)