Unit Test — Unit test

Question 1

The sum of two positive integers, a and b, is at least 30. The difference of the two integers is at least 10. If b is the greater integer, which system of inequalities could represent the values of a and b?

Revolt · Accepted Answer

a + b ≥ 30 b ≥ a + 10

Question 2

Two linear equations are shown.

Revolt · Accepted Answer

(7, StartFraction 13 over 3 EndFraction)

Question 3

Which value of m will create a system of parallel lines with no solution?y=mx-68x-4y=12

Revolt · Accepted Answer

2

Question 4

On a coordinate plane, a solid straight line has a positive slope and goes through (0, negative 1.3) and (3, negative 0.3). Everything below and to the right of the line is shaded.

Revolt · Accepted Answer

y ≤ x – 1.3

Question 5

Anatoliy has a combination of 104 nickels and quarters totaling $22. Which system of linear equations can be used to find the number of nickels, n, and the number of quarters, q, Anatoliy has?

Revolt · Accepted Answer

n + q = 104 0.05n + 0.25q = 22

Unit Test — Unit test Answers

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