7R Unit 5 Test #5

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates two proportional quantities, often expressed in the equation y = kx.

Tags

CCSS.7.RP.A.2B

Front

Write the equation representing the relationship between cost (y) and bags of chips (x) if the constant of proportionality is 0.75.

Back

y = 0.75x

Tags

CCSS.7.RP.A.2C

Front

How do you determine the better buy when comparing prices?

Back

To determine the better buy, calculate the unit price (cost per item) for each option and compare them.

Tags

CCSS.6.RP.A.3B

Front

Calculate the unit price for Dunkin's donuts (12 donuts for $8.04).

Back

Unit price = $8.04 / 12 = $0.67 per donut.

Tags

CCSS.6.RP.A.3B

Front

Calculate the unit price for Sugar Shack's donuts (18 donuts for $11.16).

Back

Unit price = $11.16 / 18 = $0.62 per donut.

Tags

CCSS.6.RP.A.3B

Front

Calculate the unit price for Princess Bakery's donuts (24 donuts for $15.60).

Back

Unit price = $15.60 / 24 = $0.65 per donut.

Tags

CCSS.6.RP.A.3B

Front

What is the simplified form of the expression 9x - 5 - 7x + 3?

Back

2x - 2

Tags

CCSS.7.EE.A.1

Front

What is the equivalent expression for -3(2x - 5)?

Back

-6x + 15

Tags

CCSS.6.EE.A.3

Front

What is the process of simplifying an algebraic expression?

Back

To simplify an algebraic expression, combine like terms and perform any arithmetic operations.

Tags

CCSS.7.EE.A.1

Front

Define 'like terms' in algebra.

Back

Like terms are terms that have the same variable raised to the same power, allowing them to be combined.

Tags

CCSS.6.EE.A.2B