N/A — Exam Answers

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44

Which statement describes the system of equations? 3 x minus 4 y is equal to negative 35 3 x plus 4 y is equal to 5

A
It has one solution open paren 5 comma negative 5 close paren .
B
The system has no solution.
C
It has one solution open paren negative 5 comma 5 close paren .
D
The system has infinitely many solutions.
47

What is the solution to the system of equations? 3 x plus 2 y is equal to 39 5 x minus y is equal to 13

A
open paren 5 comma 12 close paren
B
open paren 7 comma 4 close paren
C
open paren 12 comma 5 close paren
D
open paren 4 comma 7 close paren
48

A local high school requires at least one adult chaperone for every 12 students on any field trip. The principal uses the inequality y is greater than or equal to x over 12 to verify that this rule is met. The ordered pair open paren 50 comma 5 close paren is in the solution set of the inequality. What does open paren 50 comma 5 close paren represent?

A
50 people going on the field trip, 5 of whom are students
B
50 people going on the field trip, 5 of whom are adult chaperones
C
5 adult chaperones and 50 students going on the field trip
D
5 students and 50 adult chaperones going on the field trip
49

Which graph represents the same relation as the rule y is equal to 2 x , for all real numbers x ?

A
Image with description On a coordinate plane, with x-axis from negative 5 to 5, y-axis from negative 5 to 5 , a horizontal line intercepts the y-axis at (0 comma 2).
B
Image with description On a coordinate plane with x-axis from negative 5 to 5,y-axis from negative 5 to 5 , a straight line with positive slope intercepts the axes at (0 comma 0). The line goes through points (negative 2 comma negative 4) and (2 comma 4).
C
Image with description A coordinate plane with x-axis from negative 5 to 5, y-axis from negative 5 to 5 , has 5 points. The points are (negative 2 comma negative 4) comma (negative 1 comma negative 2), (0 comma 0), (1 comma 2), (2 comma 4).
D
Image with description On a coordinate plane with x-axis from negative 5 to 5, y-axis from negative 5 to 5, 11 points form a vertical line that has the x-intercept at (2 comma 0).
51

The graph shows the distance a ball has traveled x seconds after it was thrown. What is the average speed between 2 seconds and 8 seconds.

A
3 meters per second
B
0 point 8 meters per second
C
0 point 5 meters per second
D
2 meters per second
52

What is the solution to the system of equations graphed on the coordinate plane?

A
open paren 5 comma 0 close paren
B
open paren 2 comma 0 close paren
C
open paren 3 comma 4 close paren
D
open paren 4 comma 3 close paren
53

Which point is in the solution set of the given system of inequalities? x plus y is greater than 2 4 x plus y is greater than or equal to negative 1

A
open paren 0 comma 3 close paren
B
open paren 2 comma 0 close paren
C
open paren 0 comma negative 1 close paren
D
open paren 0 comma 2 close paren
54

Which inequality is graphed?

A
3 x plus 2 y is less than negative 6
B
3 x plus 2 y is greater than negative 6
C
3 x minus 2 y is less than 6
D
3 x minus 2 y is greater than 6
55

Which equation could generate the curve in the graph?

A
y is equal to negative 2 x squared plus 16 x minus 28
B
y is equal to negative 2 x squared minus 16 x minus 28
C
y is equal to negative 2 x squared minus 4 x minus 2
D
y is equal to negative 2 x squared plus 3 x minus 5
58

Abner wants to create a shopping budget where he spends less than 80 dollars per month on school clothes and gym clothes combined. He also wants to spend at least three times as much on school clothes as on gym clothes. Let g represent the amount Abner spends on gym clothes per month, and let s represent the amount he spends on school clothes per month. Abner’s budget is represented by the graph. Which statement is true?

A
Abner can spend 50 dollars per month on school clothes and 10 dollars per month on gym clothes and stay within his budget.
B
Abner can spend 20 dollars per month on school clothes and 60 dollars per month on gym clothes and stay within his budget.
C
Abner can spend 60 dollars per month on school clothes and 20 dollars per month on gym clothes and stay within his budget.
D
Abner can spend 10 dollars per month on school clothes and 50 dollars per month on gym clothes and stay within his budget.
59

Which function is graphed on the coordinate plane?

A
f of x is equal to 2 x plus 6
B
f of x is equal to negative 2 x minus 6
C
f of x is equal to negative 2 x plus 6
D
f of x is equal to 2 x minus 6

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