Question

draw the graph of equation 3x -4y = 12. use the graph drawn to find :
1) the value of y , when x = 4.
2) the value of y, when x = 0​

Answer 1

FIGURE 1

first prepare as follows:

X -1 0 1

Y -15/4 -3 -9/4

The graph of the equation can we drawn as above FIGURE 1

from the graph it can verify that

If x = 4 the value of y = 0

If x = 0 the value of y = -3

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