Linear Functions
Solve for x: 2x + 5 = 17
What is 6?
Simplify: (3/4) ÷ (2/5)
What is 1 7/8 or 15/8 ?
What is 25% of 240?
60
Simplify: (6 + 4 × 3) – 5
13
If (5x)/2 + 3 = 18, then x is ?
What is 6?
The value of x for 3x – 4 = 11
What is 5?
Add: 5/6 + 7/12
What is 1 5/12 or 17/12 ?
A shirt costs $40 and is on sale for 20% off. What is the sale price?
32
If a = 5 and b = 2, evaluate: (3a^2 – 4b)
67
480 is 8% of what number?
6,000
A line passes through the points (2, 3) and (6, 7)
Find the slope of the line.
What is 1?
Subtract: 7/8 – 3/16
What is 11/16
A student answered 45 out of 60 questions correctly. What percentage did they get correct?
75%
Simplify: (2x + 3)(x – 5)
2x2-7x-15
Matt purchased a car for 31,400. Four years later, the car worth is 24,700. What was the car's average decrease in value per year?
1675
The equation of a line parallel to y = 2x + 3 and passing through (0, -1)?
What is y=2x-1
Multiply: (2/3) × (9/10)
Simply your answer.
What is 3/5 ?
The population of a town increased from 12,000 to 15,000. What was the percent increase?
25%
The sum of three consecutive integers is 72. What are the integers?
23, 24, 25
At 4 PM the temp is -17 F. The temp decreases 3 F per hour. What is the temp at 6 PM?
-23
A car rental company charges a flat fee of $25 plus $0.15 per mile.
Find the linear equation to represent the total cost, C, of renting a car for ,M, miles.
What is C = 25 + 0.15M
A recipe calls for 3/4 cup of sugar. If you make 2 1/2 batches, how much sugar do you need in total?
1 7/8 or 1.875 cups of sugar
A laptop originally costs $1,200. It is discounted by 15% and then taxed at 8%. What is the final price?
$1101.60
A rectangular field has a length of (2x + 5) meters and a width of (x – 3) meters. Write an expression for the area of the field.
2x2-x-15
A dog adoption agency is holding a function on the weekend at which families can adopt puppies. On Friday, 3 puppies were adopted on Saturday; and 6 were adopted on Sunday. By the end of the weekend, the agency was left with 2 more than a quarter of the puppies they originally had. How many puppies did the adoption agency originally have?
24