Numbers and Operations
The most popular irrational number
Pi
Solve for x
8x – 5 = 19
x = 3
A vertical line has this type of slope
Undefined
The graph of a nonvertical line can be represented by an equation in this form
y = mx + b
A function is proportional when graphed its slope goes through this
Origin
Rewrite 0.03 as a percent
3%
How many solutions does 6x – 1 = 2x + 5 + 4x – 6 have?
Infinitely many solutions
The slope of a nonvertical line is measured by the _____________ divided by the ____________ between two points.
Rise and run
Identify the slope of the equation
y = -7x - 12
-7
A proportional relationship can be written in this form
y = kx
Simplify 38 ÷ 32
36
Brenda went shopping at a kids’ clothing store where the shirts and pants were the same price. She bought 8 shirts and 6 pairs of pants. She also bought a toy for $4. She spent a total of $88. How much did each shirt or pair of pants cost?
$6
Slope is also known as by this term
Rate of change
Identify the slope of the equation
y = 3x + 6
(0,6)
k represents this in a proportional relationship
Constant of Proportionality
What is 39,040,000 expressed in scientific notation?
3.904 x 107
Maria has made $28 selling bracelets at a craft fair. She spent $52 on supplies to make the bracelets. She sells each bracelet for $3.
Write an inequality Maria can use to find how many more bracelets she needs to sell to make more money than she spent on supplies.
3x + 28 > 52
What is the slope of the line through (–1, 2) and (–3, –2)?
2
A motorboat moves across a lake at a constant speed. When it begins, it is 50 km from the shore. After 9 minutes, it is 14 km from the shore. Write the function that describes the motorboat’s distance from the shore?
y = –4x + 50
A diver is 80 feet below sea level and rises to the surface at a rate of 30 feet per minute. Write an equation for this function.
y = 30x - 80
The diameter of the Sun is about 1.4 × 106 km. The diameter of the planet Mars is about 7000 km.
Which expression best approximates the ratio of the diameter of the Sun to the diameter of Mars?
2 x 102
Write an inequality to represent this problem.
Ron and Jamar are both driving.
After how many hours, h, will Ron be ahead of Jamar?
55h > 3 + 45h
What is the equation of the line through (0, 0) and (6, –18)?
y=-3x
Bob has a collection of 300 baseball cards. He plans on adding an additional 25 cars each week. Write an equation to model Bob’s collection.
y = 25x + 300
A car travels along the highway to Austin at a steady speed. When it begins, it is 500 miles from Austin. After 5 hours, it is 200 miles from Austin. Write a function to describe the car's distance from Austin?
y = –60x + 500