Math ~ Check Answers ~

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Which best names the quantity 1/2 in the linear equation shown?

y = -2x + 1/2

a.) The y-intercept ********
b.) The slope
c.) The dependent variable
d.) The x-intercept

Kevin plotted a linear equation on a graph with 18 as the y-intercept. Which of following could be the equation plotted by Kevin?

a.) 1/2y = 9x + 5
b.) 3x = 6 -1/3y
c.) 4x + 18y = 21********
d.) 7x + 2y = 38

  • Math ~ Check Answers ~ -

    (1/3) y = -3 x + 6
    multiply both sides by 3
    y = -9 x + 18

  • Math ~ Check Answers ~ -

    ^^^^^ for what # ?

  • Math ~ Check Answers ~ -

    Now Wendy, look at your second problem
    Kevin plotted a linear equation on a graph with 18 as the y-intercept. Which of following could be the equation plotted by Kevin?

    a.) 1/2y = 9x + 5
    b.) 3x = 6 -1/3y < ---------- YES
    c.) 4x + 18y = 21******** NO
    d.) 7x + 2y = 38

  • Math ~ Check Answers ~ -

    OK, Thanks.

  • Math ~ Check Answers ~ -

    You are welcome :)

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