How would you graph 4x-7y=28 ?
2 answers:
Answer:
y = 4/7x - 4
Step-by-step explanation:
You first have to put it in y = mx + b form
So, we first subtract 4x from both sides: -7y = -4x + 28
Divide both sides by -7
y = 4/7x - 4
Now to graph you have to start at the starting point which is -4
So we start with our point on -4 then move up 4 times and 7 times to the left. Mark the points then draw your line!
First solve the equation for y
Subtract 4x from both sides of the equation.
-7y=28-4x
Divide each term by -7and simplify.
y=-4+4x/7
Then graph the line using the slope and y-intercept
Slope: 4/7
Y-intercept: -4
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