3 years ago

A graph has a slope of -2 and a y-intercept of 4. Fill in the equation below using slope-intercept form. y= blank x+ blank

Mathematics

1 answer:

vfiekz [6]3 years ago

4 0

Y=-2x+4 the first blank will be your slope and the second blank will be where your line crosses the y intercept

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2 years ago

3. Solve using substitution. x - y = 4 3x - 2y = -5

Vedmedyk [2.9K]

Given:

The system of linear equations are $x-y=4$ and $3x-2y=-5$

We need to determine the solution to the system of equations using substitution method.

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The solution can be determined using the substitution method.

Let us substitute $x=4+y$ in the equation $3x-2y=-5$

Thus, we have;

$3(4+y)-2y=-5$

$12+3y-2y=-5$

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$y=-17$

Thus, the value of y is -17.

Substituting $y=-17$ in the equation $x-y=4$ , we get;

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3 years ago