I need help can someone help.
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QUESTION 1
We want to find the slope through the points (12,-18), (11,12).
We use the slope formula,
We substitute the points to get,
The slope is -30.
QUESTION 2.
We want to find the slope through the points (-18, -20), (-18, -15).
We use the slope formula again to obtain,
We simplify to get;
Division by zero means the slope is not defined.
QUESTION 3
The given equation is 4x + y = 5.
At x-intercept, y=0.
We put y=0 into the equation to get,
The x-intercept is
To find the y-intercept,we substitute x=0 into the equation to get,
The y-intercept is (0,5)
QUESTION 4.
The given equation is
To find the y-intercept put x=0 into the equation.
(0,-4)
To find the x-intercept, put y=0,
QUESTION 5
To find the equation of a line given the slope m, and a point
we use the formula,
The given line has slope zero and passes through
(3,4)
The equation is
Question 6
The given equation is
This is the equation of a line that is parallel to the y-axis.
The slope of all lines parallel to the x-axis is undefined.
The slope of x=1 is not defined.