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Topic 4.2

Last updated about 5 years ago

5 questions

1

Question 1

1.

Solve by substitution

1

1

1

1

Question 2

2.

Solve by substitution

Question 3

3.

The cost of 5 books and 10 pencils is $36. The cost of 2 books and 40 pencils is $18. How much do books cost and how much do pencils cost?

Books cost $7

Books cost $5

Books cost $6

Books cost $10

Pencils cost $.10

Pencils cost $.20

Pencils cost $.30

Pencils cost $1

I don't buy pencils, which is why I'm never prepared for class.

What's a book?

Question 4

4.

You're solving a system of linear equations using substitution. Once you find the fist answer, you're done.

True

False

Question 5

5.

You're solving a system of linear equations using substitution. This means that you graph each line and use the point of intersection as your solution.

True

False