Word Problems
Three consecutive numbers have a sum of 75. What is the smallest number?
The smallest number is 24.
Identify the slope and y-intercept: 6x+3y=18
What is m=-2;b=6
What is the standard form for linear equations?
y=mx+b
what is this equation in standard form?
x2 = 3x − 1
x2 − 3x + 1 = 0
What is the mean of the following numbers?
3 5 6 6 8 9 12 13 16 19 20
10.64
If Austin scores a 78 and 85 on his first two tests, what does he need to score on his third test to average an 87 for all three?
Austin needs to score a 98
X-intercept and Y-intercept: -2x+5y=-20
What is x-intercept=10; y-intercept=-4
Solve the following equation.
−3x + 3y = 4
−x + y = 3
No solution
What is the answer to the following equation?
x2 + 3x− 28 = 0
X=-7
x=4
What is the mean for the following numbers?
3 7 11 8 5 6 9 9 5 10
7.3
If the side lengths of a triangle are three consecutive odd numbers, and the perimeter is 51 cm, what is the length of the longest side?
The longest side is 19 cm.
Solve for x:
16x-4=4(2x-3)
What is x=-1.
What is the answer for this linear system:
5x+y=4
6x-y=7
What is the answer for this linear system: 5x+y=4, 6x-y=7
What is the answer to the following equation?
4x2 -12x=16
x=4
x=-1
What is the median for the following numbers?
3 7 11 8 5 6 9 9 5 10
7.5
Neal wants to buy a puppy. He pays $150 up front and then pays $5 every week after for the next year. How much will he end up paying at the end of the year?
He will pay $410
What is the slope for the following coordinates?
(-5,3) (5,-3)
Slope=-3/5
Equation in standard form of the line that passes through the two given points: (3,9) (1,1)
What is -4x+y=-3
what is the answer for Y for the following equation?
3y2-y-4=0
Y=4/3
Y=-1
what is the range for the following numbers?
3 5 6 6 8 9 12 13 16 19 20
17
Neal, Austin, and Claire play ball. Austin scores eight more points than Claire, and Claire scores five less than three the number of points as Neal. If they score 89 points total, how many points does Austin score?
42 points
What is the slope for the following coordinates?
(0,-5) (-3,5)
Slope=-10/3
solve this equation using elimination.
8x − 6y = −20
−16x + 7y = 30
(-1,2)
What is the answer for y for the following equation?
Y2-25=0
y=5
y=-5
What is the Minimum, Maximum, Median, Q1,Q3 and IQR for the following numbers?
53 39 39 33 69 30 25 67 130 94 40
Min = 25
Q1 = 33
Median = 40
Q3 = 69
Max = 130
IQR=36