Y intercept equation

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’.

What is the Y intercept of y =- 3?

Algebra Examples Using the slope-intercept form, the y-intercept is −3 .

What is the Y intercept of y =- 2x?

Using the slope-intercept form, the y-intercept is 0 .

What is Y intercept in math definition?

: the y-coordinate of a point where a line, curve, or surface intersects the y-axis.

What is the Y intercept of y =- 3x 2?

The y-intercept is (0,−2) .

What’s the slope of y =- 3?

1 Expert Answer So the slope would be 0. Another way to think about slope is the rise (change in y) over the run (change in x). y=3 would be nothing more than a horizontal line through y=3. So the rise is always 0 (it never goes up or down) and the run is always the distance from zero to any point on the line.

How do you find the Y intercept when given two points?

Identify the slope, m. This can be done by calculating the slope between two known points of the line using the slope formula.Find the y-intercept. This can be done by substituting the slope and the coordinates of a point (x, y) on the line in the slope-intercept formula and then solve for b.

What is the slope of y =- 5x 1?

Using the slope-intercept form, the slope is −5 .

What is Y intercept in graph?

The y -intercept of a graph is the point where the graph crosses the y -axis. For example, we say that the y -intercept of the line shown in the graph below is 3.5 . When the equation of a line is written in slope-intercept form ( y=mx+b ), the y -intercept b can be read immediately from the equation.

How do you interpret the slope and y intercept?

In the equation of a straight line (when the equation is written as “y = mx + b”), the slope is the number “m” that is multiplied on the x, and “b” is the y-intercept (that is, the point where the line crosses the vertical y-axis). This useful form of the line equation is sensibly named the “slope-intercept form”.

What’s the slope of y =- 2x?

Explanation: The slope-intercept form is y=mx+b where m is the slope value. In the equation y=2x , the m value is 2 . Therefore, 2 is the slope.

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