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How do i find the slope of a graphed line?
you look at the line and see if there are any direct points on the line the slope formula
How do you find the y intercept when you have the slope and a point?
The equation of a line can be written in a format called "point slope form". Equations in this form look like y - y1= m(x - x1). In this formula (x1,y1) is any point on the line, m is the slope, x is the input (or dependent variable) and y is the output or dependent variable. Using this, and a given slope and point, you can construct the equation for a line. The y-intercept is the point where a line crosses the y-axis. You don't know where on the y-axis, but you know that the x-value of any point of the y-axis is 0. Therefore, you can solve for the y-intercept bus substituting 0 for x and solving for y.
What does 2.51 slope look like?
For every unit a point travels in the positive x direction, it travels 2.51 units in the positive y direction.
What does point - slope form look like?
point-slope form looks like... y-y1=m(x-x1) these parts stay the same.... y- = (x- ) and you plug in the ordere4d pair you are given into it. So if the ordered pair is (2,3) (x,y) it will be y-3=m(x-2)
How many solution does a system of equation with lines of same slope and y-intercept have?
Two lines with the same slope and y-intercept look like one single line. The "system" of equations consists of the same equation twice. The lines coincide at every point, which means there are an infinite number of solutions.
