Intercepts
Function
Word Problems
Expressions
Inequalities
100
Find the y-intercept:
5
100
Does the following graph represent a function?
NO
100
Write the following as an algebraic expression:
The difference of 2 and a number.
x-2
100
What is the value of the expression below when w=6?
7w+6
48
100
Write an inequality using the variable x, that describes the following graph:
x<=65
200
What is the value of y for any point on the x-axis?
0
200
What is the name of the test that can be used to tell whether a graph represents a function?
Vertical Line Test
200
A group of friends wants to go to the amusement park. They have $152.75 to spend on parking and admission. Parking is $10.25, and tickets cost $14.25 per person, including tax. Write and solve an equation which can be used to determine x, the number of people who can go to the amusement park.
10 people
200
simplify:
2(10t+6v)
20t+12v
200
Solve for x:
6+7x<=-15
x<=-3
300
What is the x intercept?
-2
300
Does the following graph represent a function?
Yes
300
Jonathan needed to get his computer fixed. He took it to the repair store. The technician at the store worked on the computer for 3 hours and charged him $141 for parts. The total was $336. Write and solve an equation which can be used to determine x, the cost of the labor per hour.
$65 per hour
300
What is the value of the expression below when w=4?
3w^2-3w+8
44
300
solve for x:
x<9
400
Find the x intercept.
-2x+y=30
-15
400
Is the set of ordered pairs a function? Why or why not?
NO, because the 9's are repeating. The number 9 maps to more that one y value.
400
Maria has already saved $100 and plans to save $20 per week. Jamal has no savings yet but plans to save $40 per week. After how many weeks will they have saved the same amount of money?
Use the variable w to represent the # of weeks they will save.
5 weeks
400
Rewrite in simplest terms:
10w-3(8w+9)
-14w-27
400
Is the inequality true when v=4?
-v+7<2.5
NO
500
Find the y-intercept algebraically:
y=2x+10
10
500
Mackenzie’s math teacher said that each question answered correctly on a test would be worth 5 points. Answer the questions below regarding the relationship between the number of questions correct and the score on the test.
The independent variable x represents _______, and the dependent variable is _______, because _____ depends on the ___________.
A function relating these variables is B(x)=_______ .
So B(12)=______ , meaning 12 questions correct will earn _____ points on the test.
The independent variable x represents number of questions correct, and the dependent variable is the score on the test, because score on the test depends on the number of questions correct.
A function relating these variables is B(x)=5x .
So B(12)=__60____ , meaning 12 questions correct will earn __60___ points on the test.
500
Ryan has a points card for a movie theater.
- He receives 85 rewards points just for signing up.
- He earns 7.5 points for each visit to the movie theater.
- He needs 160 points for a free movie ticket.
- Write and solve an equation which can be used to determine v, the number of visits Ryan must make to earn a free movie ticket.
7.5v + 85 = 160
10 visits
500
A local restaurant is trying out a new points rewards system. You get 15 points every time you come in for a meal and one point for every dollar you spend.
How many points would Cai get if he came in for a meal and spent $38?
53 points
500
Mariam has $560 to spend at a bicycle store for some new gear and biking outfits. Assume all prices listed include tax.
- She buys a new bicycle for $275.67.
- She buys 3 bicycle reflectors for $16.32 each and a pair of bike gloves for $24.39.
- She plans to spend some or all of the money she has left to buy new biking outfits for $27.40 each.
Write and solve an inequality which can be used to determine x, the number of outfits Mariam can purchase while staying within her budget.
27.40x+349.02<=560
x<=7