Get to y=mx+b form
m=slope
b=yint
2x-y=4
minus 2x from both sides
-y=-2x+4
times -1
y=2x-4
slope=2
yint=-4
equation of horizontal line is y=value
slope=rise/run, so rise is 0 and run is inifnity so 0 is slope
ycoordinate oof every point of a horizontal ine is the value above mentioned (value)
equation of vertical line is x=value
slope is rise/run, since run=0, it is infinity/0 which is undefined, slope=undefined
xcoordinate is equalt to the value (x=value)
general form of the equation of a line is y=mx+b or ax+by=c
every line has an equation that can be writeen in slope-intercept form
the line may not visually appear to have the slope indecated because somethimes the tick marks are not equal distance (use square viewer)
Determine the slope and y-intercept of the linear equation 2x - y = 4
2
The equation of a horizontal line is y=value. The slope of a
horizontal line is 0. The y-coordinate of every point on the
graph of a horizontal line is value (the one from y=value). The equation of a vertical
line is x=value. The slope of a vertical line is undefined.
The x-coordinate of every point on the graph or vertical line is value (x=value). The general form of the equation of a line is ax+by=c. Every line has an equation that can be written in slope-intercept form. When a graphing utility is used to sketch a straight
line, the graph of the line may not visually appear to have the slope
indicated by its equation because the tick marks are not equally spaced
=sqrt((x2-x1)^2+(y2-y1)^2)=sqrt((15-14)^2+(8-4)^2)=sqrt(1+16)=sqrt(17)=4.123105625617661=4.1231
The answer to this question should be 145
i thimk this might be the answer to question 3 (iii)
I'm sorry I don't know how to solve the first question
