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The
y-intercept of the graph of
y=-7x+140 is located at
(0,c). Wha s the value of
c ?

The $y$ -intercept of the graph of $y=-7 x+140$ is located at $(0, c)$ . Wha s the value of $c$ ?

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Function transformation rules

Full solution

Q. The

y

-intercept of the graph of

y=-7 x+140

is located at

(0, c)

. Wha s the value of

c

?

Determine y-intercept: To find the y-intercept of the graph of the equation $y = -7x + 140$ , we need to determine the value of $y$ when $x = 0$ . The y-intercept is the point where the graph crosses the y-axis, which occurs at $x = 0$ .
Substitute $x=0$ : Substitute $x = 0$ into the equation $y = -7x + 140$ to find the value of y at the y-intercept. $\newline$ Calculation: $y = -7(0) + 140 = 0 + 140 = 140$ .
Calculate y value: The value of $y$ when $x = 0$ is $140$ . Therefore, the $y$ -intercept of the graph is at the point $(0, 140)$ , which means $c = 140$ .

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