Solving Equations/Inequalities
Functions
Graphs of Lines
Equations of Lines
Systems
100
Solve 2x + 9 = 17.
x = 4
100
Give the definition of a function.
A relation in which each input has only one output.
100
What is the slope of the line y = -5x + 4?
m = -5
100
What is the equation of a line with a slope of -1/2 and a y-intercept at -6?
y = (-1/2)x - 6
100
What does the solution to a system of equations represent?
The point where two lines cross.
200
Solve 3x - 4 < 2x + 11
x < 15
200
I am measuring the amount of water in a test tube left outside after m minutes. What is the INDEPENDENT variable?
The number of minutes
200
What is the slope of the line 5x - 2y = 10?
2/5
200
What is the slope of the line perpendicular to y = 4x + 7?
-1/4
200
Is the point (-4, 5) a solution to the system? 3x + 3y = 3 4x - 2y = -24
No.
300
3(x - 5) + 17 = -7
x = -3
300
The function f represents the number of math problems completed after m minutes. Does this represent a discrete or continuous domain?
Continuous- it is time
300
Find the slope of the line through (-5, -7) and (6, 15)?
2
300
Write the slope-intercept equation of the line with a slope of 5 through the point (-1, 4).
y = 5x + 9
300
Solve the system. y = 2x - 1 5x - 2y = 6
(4, 7)
400
Solve for y: 3x - 4y = 28
y = (-3/4)x - 7
400
Is the relation {(3, -1), (-2, 5), (1, 3), (3, -4), (0, 5)} a function? Why or why not?
No because 3 has two different outputs.
400
What are the x- and y-intercepts for the line 5x - 7y = 35?
x-int: 7 y-int: -5
400
Write the equation of the line parallel to y = (2/3)x + 4 through the point (6, -2).
y = (2/3)x - 6
400
Solve the system. x + y = -2 4x - 6y = -38
500
Solve for h. A = (1/2)bh
h = (2A)/b
500
Evaluate the function f(x) = -4x - 1 for f(3).
-13
500
What is the slope of the line x = 5?
undefined
500
Write the equation of the line through (-4, 1) and (4, 7)?
y = (3/4)x + 4
500
Solve the system. 4x - 8y = 12 6x - 12y = 18
Infinite solutions
M
e
n
u