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math 7 unit 3
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Terms in this set (7)
Constant Rate of Change
A ratio when the dependent, y-value, changes at a constant rate for each independent x-value.
Constant Rate of Proportionality
A constant positive ratio between two proportional quantities y/x denoted by the symbol k.
Percent Decrease
A change in percentage where the value decreases.
Percent Increase
A change in percentage where the value increases.
Rate
A multiplicative comparison of 2 different quantities where the measuring unit is different for each quantity.
Ratio
A multiplicative comparison of two quantities.
Unit Rate
A ratio between 2 different units where one of the terms is expressed as a quantity of 1.
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Tyrese inherited some money from his aunt. He gave half of the money to his wife, a fourth of the money to his kids, an eighth of the money to charity and kept $500 for himself. Use a diagram to determine to determine how much money Tyrese inherited.
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Grandma Beth a upc é —_ i tty's recipe makes 6 cupcakes and Ver oy How many cups of sugar will it take to make -— 4-77 $A O \quad 1 \frac { 2 } { 3 }$ cups $\Rightarrow \quad$ 2 $cup$ Soe ce #3 a ~~ f _ i: rn GU. | ;