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A2 1.3-1.4 Review

Total questions: 15

Worksheet time: 1hrs 26mins

Name
Class
Date
1.

The solution of a system of three linear equations in three variables, x,y, and z, is called a(n) ___________________ .

a)

Ordered Pair

b)

Integer

c)

Ordered Triple

d)

Sum

2.
What is your solution if your variables go away and you are left with 0 = 0?
a)
No Solution
b)
All Real Numbers
c)
Infinitely Many Solutions
d)
(x, y, z)
3.

Solve the system.

a)

{(3, -2, 4)}

b)

{(2, -3, 1)}

c)

{(-3, 2, -1)}

d)

No solution

4.

Solve the system.

a)

{(2, -2, 3)}

b)

{(2, 1, 4)}

c)

{(-2, 2, -3)}

d)

No Solution

5.

The function below shows the cost to attend the fair if you ride r rides.

f(r) = 1.75r + 5

Interpret the slope.

a)

The cost to get into the fair is $5

b)

The total cost for the day will increase by $1.75 for every ride you go on.

c)

The cost to get into the fair is $1.75

d)

The total cost for the day will increase by $5 for every ride you go on.

6.

Interpret the slope represented in the graph.

a)

You will receive $4 per paper delivered.

b)

You will receive $5 per paper delivered

c)

You will receive $20 per paper delivered

d)

You will receive $0.25 per paper delivered

7.

Interpret the slope represented i the table.

a)

The cost will increase by $12 per hour

b)

The initial fee is $15 before hourly charges

c)

The cost will increase by $15 per hour

d)

The initial fee before hourly charges is $12

8.

Interpret the slope in the graph.

a)

Colby's initial deposit was $100.

b)

Colby's initial deposit was $150.

c)

Colby adds $5 per week to his savings account.

d)

Colby adds $10 per week to his savings account.

9.
The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Which service is cheaper for 8 movies in one month?
a)
Beth's service ($38 vs. $40) is cheaper
b)
Nate’s service ($42 vs. $44) is cheaper
c)
Nate’s service ($38 vs. $40) is cheaper
d)
Beth's service ($42 vs. $44) is cheaper
10.

Which panda is growing faster?

a)

Mochi

b)

Kappa

11.
Which company shows a greater rate of change?
a)
Water's Edge Rafts
b)
Ryan's Rafts
12.
Find the equation of the line in slope-intercept form. 
a)
y = - 1/4x - 3
b)
y = 1/3x + 3
c)
y = - 1/4x + 2
d)
y = 1/3x -3
13.
Which of these represents point-slope form of a linear equation?
a)
y - y1 = m(x - x1)
b)
Ax + By = C
c)
y = mx + b
14.
Joe’s Canoes charges an initial fee of $20 plus $4 an hour. Callie’s Canoes charges a flat rate of $14 an hour. Find the number of hours for which the total amount that both places charge would be the same.
a)
3 hours
b)
4 hours
c)
1 hour
d)
2 hours
15.
Bob has $150 in his savings account and saves $40 per month.  Which equation represents the amount Bob has in his account after x months?
a)
y = 150 + 40
b)
y = 40x + 150
c)
y = 150x + 40