Polynomial Operations
Data & Statistics
Inequalities
Solving Equations
Systems of Equations
100
Find each product:
(2n + 3)(n − 2)
2n2 - n - 6
100
What is this called?
Histogram
100
4x + 2 > 10
x > 2
100
Solve for x.
2(x -1) = -3
x = -1/2
100
How would you solve this?
13x + 20y = 90
y = 4 - 9x
Substitution
200
Find each product:
(3x + 5)(3x − 6)
9x2 − 3x − 30
200
What is the outlier?
3
200
Solve.
3x + 4 ≥ -8
x ≥ -4
200
5x + 1 = 3x + 5
x = 2
200
2x - 3y = -1
y = x - 1
(4,3)
300
Simplify the expression:
(4m4 − m2) + (5m2 + m4)
5m4 + 4m2
300
In the graph, what would be more useful: the Range or the Interquartile Range?
The Range.
300
Solve.
2x + 5 > 100 + 15x
x > -95/13
300
A cell phone company charges a monthly rate of $12.95 and $0.25 a minute per call. The bill for the minutes is $21.20. Write an equation that models this situation.
0.25m + 12.95 = 21.20
300
y = -2
4x - 3y = 18
(3, -2)
400
Simplify the expression:
(5x + x4) − (3x4 + 4x)
-2x4 + x
400
What is the mean?
mean = 2.6
400
Solve.
2(x-1) ≤ 5(3x + 9)
x ≤ -47/13
400
Molly is throwing a beach party. She still needs to buy beach towels and beach balls. Towels are $3 each and beachballs are $4 each. She bought 10 items in total and it cost $34. How many beach balls did she get?
4 beachballs (6 towels)
400
−4x + y = 6
−5x − y = 21
(−3, −6)
500
Why is it impossible to have a linear trinomial with one variable?
It could have at most two terms: Linear and constant.
500
Would a Histogram or a Box plot better help find the probability distribution?
Histogram
500
Solve.
30(x - 13) ≤ 15x(7 + 19) + 20
x ≥ -41/36
500
You have $60 dollars and your sister has $120. You are saving $7 per week and your sister is saving $5 per week. How long will it be before you and your sister have the same amount of money? Write and equation and solve.
Equation: 7x + 60 = 5x + 120
x = 30
500
−2x − y = −9
5x − 2y = 18
(4, 1)