N/A — Exam Answers

50 verified answers1 views
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).

Did you find these answers helpful?