Multi-step: a perfect score on a test with 25 questions is 100. each
question is worth the same number of points.
a. how many points is each question on the test worth?
b. fred got a score of 84 on the test. write a division
sentence using negative numbers where the quotient
represents the number of questions fred answered
incorrectly.

none.

step-by-step explanation:

m

1

=

5

m1=5

b

=

−

1

b=-1

find the slope and y-intercept of the second equation.

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m

2

=

0

m2=0

b

=

−

6

b=-6

compare the slopes

m

m of the two equations.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.

m

1

=

5

,

m

2

=

0

m1=5,m2=0