#12 Determine the slope of each line
Explanation of what I see here:
There is a graph with a line going vertical from Y, 3, 1 and -1
Then there is a line above the numbers: -1, 1, 2, 3, x
A blue line goes between the 3 and 1 (sorry I dont know how to the graph I am looking at) #22 The Coordinate Formula for Slope
Find the slope of the line that contains each of the following pairs of points.
(-2, -3), (1,3)#48 Write each equation in standard for using only integers and a positive coefficient for x.
y=1/2x+7#76 Point Slope Form Find an equation of the line that goes through the given point and has the given slope. Give answer in slope intercept form
Line I goes through (2,-4) and is parallel to the line through (6,2) and (-2,6)#40 Functions expressed by ordered pairs—-Determine whether each relation is a function.
[(1/3,7)(-1/3,7)(1/6,7)]#88 Function Notation
Let f(x)= 3x -2, g(x) = -x^2 + 3x -2 and h(x) = |x + 2| evaluate each expression
f(1)#12 Determine the slope of each line
EXPLANATION OF WHAT I SEE HERE:
THERE IS A GRAPH WITH A LINE GOING VERTICAL FROM Y, 3, 1 AND -1
THEN THERE IS A LINE ABOVE THE NUMBERS: -1, 1, 2 ,3 , x
A BLUE LINE GOES BETWEEN THE 3 AND 1 (SORRY DONT KNOW HOW TO TYPE THE GRAPH I AM LOOKING AT)
If possible, could you copy your graphs in the word document so that I could help you with this problem?
#22 The Coordinate Formula for Slope
Find the slope of the line that contains each of the following pairs of points.
(-2, -3), (1,3)
based on the formula slope=(y1-y2)/(x1-x2), we could have:
Slope=(-3-3)/(-2-1)=(-6)/(-3)=2.#48 Write each equation in standard for using only integers and a positive coefficient for x.
y=1/2x+7
For this problem, we multiply 2 on both sides: 2y=x+14.
Therefore, we could have the new equation: x-2y+14=0.#76 Point Slope Form Find an equation of the line that goes through the given point and has the given slope. Give answer in slope intercept form
Line I goes through (2,-4) and is parallel to the line through (6,2) and (-2,6)
when two lines are in parallel, they have the same slope.
Therefore, slope=(2-6)/(6-(-2))=-1/2.
Since the line passes (2, -4) with slope of -1/2, we could have the following:
Y+4=-1/2(x-2)
Y=-1/2x-3.
Therefore, the equation of the line in the form of slope intercept form is y=-1/2x-3.
#40 Functions expressed by ordered pairs—-Determine whether each relation is a function.
[(1/3,7)(-1/3,7)(1/6,7)]
Since for any specific x value, there is only one corresponding y value. Therefore, this relation is a function. #88 Function Notation
Let f(x)= 3x -2, g(x) = -x^2 + 3x -2 and h(x) = |x + 2| evaluate each expression
f(1)
f(1)=3*1-2=1.
g(1)=-1^2+3*1-2=0
h(1)=|1+2|=3.
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