Two-Step Equations
Solve: 2x + 3 = 11
x = 4
In y = mx + b, what does the letter m stand for?
The slope
You buy a $3.75 snack and pay with a $5 bill. How much change do you get?
$1.25
How many sides does a hexagon have?
6
Solve: 3x - 7 = 14
x = 7
Write the equation of a line with slope 3 and y-intercept -2.
y = 3x - 2
A $40 shirt is 25% off. What is the sale price?
$30
What is the next prime number after 13?
17
Solve: x/4 + 6 = 10
x = 16
Write the equation of the line with slope 2 that passes through the point (1, 5).
y = 2x + 3
Your meal costs $45. How much is a 20% tip?
$9
How many minutes are in one day?
1,440 minutes
Solve: -5x + 8 = -17
x = 5
Write the equation of the line with slope -3 that passes through the point (2, 4).
y = -3x + 10
A car gets 30 miles per gallon and gas costs $4 per gallon. How much does gas cost for a 240-mile trip?
$32 (8 gallons x $4)
What is 2 to the 10th power?
1,024
A gym charges a $25 sign-up fee plus $15 per month. You paid $100 total. Write an equation and solve for the number of months.
25 + 15m = 100, so m = 5 months
Write the equation of the line with slope -2/3 that passes through the point (6, -1).
y = -2/3x + 3
Which is the better deal: a 12 oz bag of chips for $3.00 or a 20 oz bag for $4.40?
The 20 oz bag (22 cents per oz vs. 25 cents per oz)
What is the sum of the interior angles of a pentagon?
540 degrees