Point A (-1; -7) lies on the graph of direct proportionality, specify this function by the formula.
| March 16, 2021 | education
A direct proportional graph is a graph described by the function y = k * x, where x is an independent variable, k is any number other than zero.
Let’s put the coordinates of point A into the formula and find the coefficient k.
-7 = k * (-1);
k = – 7 / -1;
k = 7.
The formula for the direct proportional graph is y = 7 * x.
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