How do you find the Y intercept?
How Do You Find the X- and Y-Intercepts of a Line in Slope-Intercept Form? To find the x-intercept of a given linear equation, plug in 0 for ‘y’ and solve for ‘x’. To find the y-intercept, plug 0 in for ‘x’ and solve for ‘y’.
How do you find the Y intercept when given two points?
You can find the y-intercept (which is also the ‘b’ in y = mx+b) by plugging in the y and x to y = mx+b.
How do you find the Y intercept of a standard equation?
Using the standard form of an equation we can easily find the intercepts.To find the x-intercept, we set y=0 and solve for x.To find the y-intercept, we set x=0 and solve for y.
What is the Y intercept of y =- 2x?
Using the slope-intercept form, the y-intercept is 0 .
What is the Y intercept of y =- 3?
Algebra Examples Using the slope-intercept form, the y-intercept is −3 .
How do you find the Y intercept in a quadratic equation?
To find the y-intercept let x = 0 and solve for y. Step 3: Find the x-intercept(s). To find the x-intercept let y = 0 and solve for x. You can solve for x by using the square root principle or the quadratic formula (if you simplify the problem into the correct form).
How do you find the Y intercept without a graph?
Using the “slope-intercept” form of the line’s equation (y = mx + b), you solve for b (which is the y-intercept you’re looking for). Substitute the known slope for m, and substitute the known point’s coordinates for x and y, respectively, in the slope-intercept equation. That will let you find b.
What is the Y intercept in standard form?
Standard form is another way to write slope-intercept form (as opposed to y=mx+b). It is written as Ax+By=C. You can also change slope-intercept form to standard form like this: Y=-3/2x+3. Next, you isolate the y-intercept(in this case it is 3) like this: Add 3/2x to each side of the equation to get this: 3/2x+y=3.