Given linear equation y = -3 a. find the y-intercept and slope. b. determine whether the line slopes upward, slopes downward, or is horizontal, without graphing the equation. c.use two points to graph the equation

Alyce Wilkinson 2021-02-25 Answered
Given linear equation y = -3
a. find the y-intercept and slope.
b. determine whether the line slopes upward, slopes downward, or is horizontal, without graphing the equation.
c.use two points to graph the equation
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Expert Answer

opsadnojD
Answered 2021-02-26 Author has 95 answers

(a) y-intercept and slope: In a linear equation y=b0+b1x, the constant b1 be the slope and b0 be the y-intercept form and x is the independent variable and y is the dependent variable.
Comparing the given equation with the general form of linear equation the slope of the equation is 0 and the y-intercept is –3. Thus, the slope of the linear equation is b1=0 and the y-intercept is b0=3
(b) It is known that, the slope of the linear equation y=b0+b1x is upward if b1>0, the slope of the linear equation y=b0+b1x is downward if b1<0, and the slope of the linear equation y=b0+b1x is horizontal if b1=0 .
Thus, in the given equation y=3b1=0
Thus, the slope is horizontal.
(c) The two points (x1,y1)and(x2,y2) on the given line are obtained
If x=0
y=3
Thus, one point on the line is (x1,y1)=(0,3).
If x=1
y=3
Thus, the second point on the line is (x2,y2)=(1,3)
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