How do you find the slope and intercept of #y=3x+4#?

Answer 1

Slope: #3#
y-intercept: #4#
x-intercept: #(-4/3)#

Slope-intercept form is used to describe any linear equation with the form #color(white)("XXX")y=mx+b#, where the slope is #m# and the y-intercept is #b#.

This is the form of #y=3x+4#; the y-intercept is #4# and the slope is #3#.

Set #y=0# and solve for #x# (#color(white)("XXX")0=3x+4#) to find the x-intercept.

#3x=4# #color(white)("XXX")

x=-4/3# #color(white)("XXX")

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Answer 2

Eli Assouline

In the equation y = 3x + 4, the slope (m) is the coefficient of x, which is 3, and the y-intercept (b) is the constant term, which is 4. Therefore, the slope is 3 and the y-intercept is 4.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.