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If y=-4 when x=10 find y when x=2

User Yan Q
by
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2 Answers

1 vote

Final answer:

To find y, we create a linear equation using the given points and solve for y when x=2.

Step-by-step explanation:

To find y when x=2, we can use the given information that y=-4 when x=10. We can create a linear equation using these two points and find the value of y when x=2.

First, we find the slope of the line using the formula: slope = (change in y) / (change in x).

slope = (-4 - 0) / (10 - 2) = -4/8 = -1/2.

Now, we have the slope and a point on the line (10, -4). We can plug these values into the point-slope form of a linear equation, y - y1 = m(x - x1).

y - (-4) = (-1/2)(x - 10)

y + 4 = (-1/2)(x - 10)

y = (-1/2)(x - 10) - 4

Now substitute x=2 into the equation to find y:

y = (-1/2)(2 - 10) - 4

y = (-1/2)(-8) - 4

y = 4 - 4

y = 0

User Michele La Ferla
by
9.0k points
4 votes
I hope this helps you




y= -4 x= 10


y=? x= 2



?.10=2. (-4)


?= -4/5

User R U C K S A C K
by
7.4k points