Equations
Solve for x:
4x = -12
x = -3
Solve for x:
x - 6 > 7
x > 13
Which form is y = mx + b?
Slope-Intercept Form
How can you tell if a graph is a function?
Vertical Line Test
What does a closed circle mean when graphing inequalities on a number line?
Greater than/Less than or Equal to
Solve for x:
-3x - 7 = 32
x = -13
When do you flip the inequalities sign?
Multiplying or Dividing by a Negative
y - 4 = 1/3(x + 6)
(-6, 4)
Write a function for the amount of ramps Darcy can build in her bot lobby if she has a given amount of brick and each ramp uses 10 bricks.
y = 10x
What two things do you need for a graph to be a direct variation?
Straight Line that goes through the Origin
Solve for x:
2(2x + 4) = 44
x = 9
Solve for x:
-2x + 3 < -11
x > 7
Write an equation in slope-intercept form that passes through the point (-6, 4) and has a slope of 1/3.
y = 1/3x + 6
Give the range of the following ordered pairs:
(9, 4), (3, 2), (6, 2), (5, -1), (0, -3)
(-3, -1, 2, 4)
Classify the real number 5/2.
Real, Rational
Solve for x:
-5x + 13 = 4x - 59
x = 8
Solve for x:
9(x - 3) + 3 < -12
x < 4/3
Write an equation in slope-intercept form for an equation that passes through the points (5, -3) and (3,1).
y = -2x + 7
Solve for f(9):
f(x) = -9 - 3(x + 4)
f(9) = -48
Classify the real number -51/17.
Real, Rational, Integer
Solve for x:
-3(3 - x) - 18 = -(x + 5) + 4x
No Solution
Solve for x:
2(2x - 6) > -1/2(-8x - 10)
No Solution
Write an equation in standard form where the x-intercept is 5 and the y-intercept is -10.
2x - y = 10
What are the five ways to represent a function?
Graphs, Tables, Ordered Pairs, Equations, Words
5[3 - 42 x (10 - 2)] - 33
-652