Asked by Wendy

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
Answered by Damon
(1/3) y = -3 x + 6
multiply both sides by 3
y = -9 x + 18
Answered by Wendy
^^^^^ for what # ?
Answered by Damon
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
Answered by Wendy
OK, Thanks.
Answered by Damon
You are welcome :)
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