Ch. 3 Mid-Ch. Quiz Linear Functions

Determine whether the equation y = -4x + 3 is a linear equation. Write yes or no. If yes, write the equation in standard form.

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Determine whether the equation x² + 3y = 8 is a linear equation. Write yes or no. If yes, write the equation in standard form.

• Yes, the equation is linear and can be written in standard form as 0 = x² + 3y - 8.

• No, the equation is not linear.

What are the x- and y-intercepts of the equation y = 3x - 6?

• x-intercept: (2, 0), y-intercept: (0, -6)

• x-intercept: (0, 2), y-intercept: (-6, 0)

What are the x- and y-intercepts of the equation 2x + 5y = 10?

Write in coordinate form (0,0) and (0,0)

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The y-value when x = 2 in the equation y = -2x is (a)  

• -4
• 0

The y-value when x = 8 in the equation x = 8 - y is (a)  

• 0
• 8

The equation 8x + 18y = 288 describes the total amount of money collected when selling x paperback books at $8 per book and y hardback books at $18 per book. The x- and y-intercepts of the graph of this equation are ​

x = (a)   and y =​ (b)   .

• (16,0)
• (0,36)
• (36,0)
• (0,16)

Find the zeros of the function f(x) = x + 8 by graphing.

Find the zeros of the function f(x) = 4x - 16 by graphing.

What is the zero of the function f(x) = 3/5x - 1/2?

• x = 5/3

• x = 2/3