Expressions, Equations, and Functions
4(6n+7) when n=2
What is 76?
x = 8
Identify the slope and y-intercept: 6x+3y = 18
What is m=-2, b=6
Solve the linear system:
2x+9y=16, 5x=1-3y
What is (-1,2).
What is the y-intercept of the graph?
0.25x + 0.05y = 1.00?
What is (0,20).
5 times the difference of a number h and 17 is equal to 22 (as an expression)
What is 5(h-17)=22 ?
Simplify: -7x (x-13)
What is 7x^2 + 91x
Identify the slope and y-intercept: -4x + 8y = -40
What is x=10 , y=-5
Solve the linear system:
5x+y=4, 6x-y=7
What is (1,-1).
Equation of the line that passes through the point (-2,9) and has a slope of -2.
What is y=2x+5.
x=10 a solution for 3x + 10 < 4x-7
What is no 40 < 33 does not work!
Solve: -14-(-21.6)
What is 7.6.
Solve for x: 16x-4=4(2x-3)?
What is x=-1.
A system of equations is given as:
x=8
3x+4y=16
What is the value of y?
What is -2.
A line passes through the points (x=2) and (3,-4) and has a slope of 2. What is the value of x?
What is x=6.
You buy apples at $3 per pound and oranges at $4 a pound. What is an expression for the total cost of fruit purchased? Also, what is the total cost if you buy 7 apples and 5 oranges?
3x+4y = c ; 41
An elevator moves at a rate of -5.8 feet per second from a height of 500 feet. It takes 6 seconds for the elevator to make its first stop. How many feet above the ground is the elevator now?
What is 465.2 feet.
Identify the slope: 2x + 4y =80
x= 40
Is the ordered pair a linear system? (8,5)
5x-4y=20, 3y=2x+1
What is no.
Equation of the line that passes through the given point and is perpendicular to the given line:
(3,-3), y=x+5
What is y=-x.
A rectangular banner is 16 feet long and has an area of 80 square feet. What is the perimeter of the banner?
What is 42 feet
True or False: If a number is positive, then the opposite is negative.
What is true.
Solve the proportion: b/8 = 9/4
What is b=18.
Given the system:
2x+3y=21
x+y=3
What is the solution to the system?
What is
x=-12
y=15
Write the equation of a line whose graph has no y-intercept but will have an x-intercept of -3?
What is x=-3.