Open Up - Grade 8 - Mathematics - Unit 5 - Lesson 1
By Formative Library
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Last updated over 2 years ago
10 Questions
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1.
Given the rule:
Complete the table for the function rule for the following input values:
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2.
Here is an input-output rule:
Complete the table for the input-output rule:
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3.
Andre’s school orders some new supplies for the chemistry lab. The online store shows a pack of 10 test tubes costs $4 less than a set of nested beakers. In order to fully equip the lab, the school orders 12 sets of beakers and 8 packs of test tubes.
Write an equation that shows the cost of a pack of test tubes, , in terms of the cost of a set of beakers, b.
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4.
Andre’s school orders some new supplies for the chemistry lab. The online store shows a pack of 10 test tubes costs $4 less than a set of nested beakers. In order to fully equip the lab, the school orders 12 sets of beakers and 8 packs of test tubes.
The school office receives a bill for the supplies in the amount of $348. Write an equation with t and b that describes this situation.
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5.
Andre’s school orders some new supplies for the chemistry lab. The online store shows a pack of 10 test tubes costs $4 less than a set of nested beakers. In order to fully equip the lab, the school orders 12 sets of beakers and 8 packs of test tubes.
Since t is in terms of b from the first equation, this expression can be substituted into the second equation where t appears. Write an equation that shows this substitution.
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6.
Andre’s school orders some new supplies for the chemistry lab. The online store shows a pack of 10 test tubes costs $4 less than a set of nested beakers. In order to fully equip the lab, the school orders 12 sets of beakers and 8 packs of test tubes.
Solve the equation for b.
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7.
Andre’s school orders some new supplies for the chemistry lab. The online store shows a pack of 10 test tubes costs $4 less than a set of nested beakers. In order to fully equip the lab, the school orders 12 sets of beakers and 8 packs of test tubes.
How much did the school pay for a set of beakers? For a pack of test tubes?
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8.
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9.
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10.
For what value of x do the expressions 2+3 and 3x-6 have the same value?
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