Expressions and Functions
Is the relation {(2, 3), (-1, 3), (0, 4), (3, 2), (-2, 3)} a function?
Yes
Solve 5y - 4 = 9y + 8
y = -3
Solve a/3 = 16/24
a = 2
Solve 6p > 5p - 3
p > -3
Is 5y = 2x + 3x a linear equation?
Yes
Determine the domain for the relation {(2, 5), (-1, 3), (0, -1), (3, 3), (-4, -2)}.
2, -1, 0, 3, -4
Solve 3(2k - 2) = -2(4k - 11)
k = 2
Solve 9 / (k + 3) = 3/5
k=12
Solve (-2/3)t < 24
t > -36
Write y - 2 = -2(x + 6) in standard form
2x + y = -10
Determine the range for the relation {(2, 5), (-1, 3), (0, -1), (3, 3), (-4, -2)}.
5, 3, -1, -2
Solve 5x - 3y = 9 for y
y = (5/3)x - 3
y = (9 - 5x)/(-3)
Akiko uses 2 feet of thread for every three squares that she sews for her quilt. How many squares can she sew if she has 38 feet of thread?
57
Solve -2(x - 4) > 5x - 13
x < 3
Find the x-intercept of 5x + y = 7
x = 1.4 or 7/5
Simplify the expression 6(4d + 15b - 9b)
24d + 36b
Solve 2/3 = w + (1/4)
w = 5/12
Ms. Garcia watched 6 commercials during a 24-minute program. At that rate, how many commercials would she watch in an hour?
15
n - 4 <= 8
Find the y-intercept of 5x + y = 7
y = 7
Is the relation {(-3, 2), (-1, 0), (1, -2), (-3, 4), (3, 0)} a function?
No
At Luigi's Pizza, the price of a large pizza is determined by P = 9 + 1.5x, where x represents the number of toppings added to a cheese pizza. Mario spent $13.50 on a large pizza. How many toppings did he get?
3
Tonya drinks the recommended 8 cups of water per day. How many gallons of water does she drink per year?
182.5
The drama club collected $160 from ticket sales for the spring play. They need to collect at least $400 to pay for new lighting for the stage. If tickets sell for $3 each, how many more tickets need to be sold?
At least 80
Find the slope of the line between the points (-2, 5) and (-2, -2).
Undefined