Grade 8 McGraw Hill Glencoe - Answer Keys Answer keys Chapter 2 - Equations in One Variable; Lesson 1: Equations with Rational Coefficients

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Grade 8 McGraw Hill Glencoe - Answer Keys

Chapter 2 - Equations in One Variable; Lesson 1: Equations with Rational Coefficients

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Question 13 (request help)
Indentify Structure Suppose the numbers, \(1\cfrac{1}{3}, 0.2, -5, -\cfrac{1}{2}\), are each coefficients in separate equations. Choose whether you would solve the equation by multiplying each side by the multiplicative inverse of the coefficient or by dividing each side by the coefficient. Write the number in the appropriate space.
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H.O.T. Problems Higher Order Thinking

Question 14 (request help)
Model with Mathematics Write a real-world problem that can be represented by the equation \(\cfrac{3}{4}\text{c} = 21\).
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Persevere with Problems Determine whether each statement is true or false. Explain your reasoning.

Question 15 (request help)
The product of a fraction and its multiplicative inverse is 1.

Question 16 (request help)
To solve an equation with a coefficient that is a fraction, divide each side of the equation by the reciprocal of the fraction.

Question 17 (request help)
Reason Inductively Complete the statement : If \(10 = \cfrac{1}{5}\text{x}\), then \(\text{x} + 3 = \text{?}\). Explain your reasoning.

Question 18 (request help)
Justify Conclusions Suppose your friend says he can solve \(3\text{x} = 15\) by using the Multiplication Property of Equality. Is he correct? Justify your response.