Quick Answer: What Is Y Intercept Simple Explanation?

Why is the Y intercept important?

In the particular context of word problems, the y-intercept (that is, the point when x = 0) also refers to the starting value.

For a time-based exercise, this will be the value when you started taking your reading or when you started tracking the time and its related changes..

What is the Y-intercept in an equation?

Every straight line can be represented by an equation: y = mx + b. … The equation of any straight line, called a linear equation, can be written as: y = mx + b, where m is the slope of the line and b is the y-intercept. The y-intercept of this line is the value of y at the point where the line crosses the y axis.

What is an example of slope intercept form?

y = 5x + 3 is an example of the Slope Intercept Form and represents the equation of a line with a slope of 5 and and a y-intercept of 3. y = −2x + 6 represents the equation of a line with a slope of −2 and and a y-intercept of 6.

What is the Y intercept simple definition?

The y -intercept of a graph is the point where the graph crosses the y -axis. … The y -intercept is often referred to with just the y -value. For example, we say that the y -intercept of the line shown in the graph below is 3.5 .

How do you answer the Y intercept?

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’. In this tutorial, you’ll see how to find the x-intercept and the y-intercept for a given linear equation.

What is the symbol of Y intercept?

The symbol X represents the independent variable. The symbol a represents the Y intercept, that is, the value that Y takes when X is zero. The symbol b describes the slope of a line. It denotes the number of units that Y changes when X changes 1 unit.

Where is Y intercept on graph?

The intercepts of a graph are points at which the graph crosses the axes. The x-intercept is the point at which the graph crosses the x-axis. At this point, the y-coordinate is zero. The y-intercept is the point at which the graph crosses the y-axis.

What is Y on a graph?

Drawing a Coordinate Graph The numbers on a coordinate grid are used to locate points. Each point can be identified by an ordered pair of numbers; that is, a number on the x-axis called an x-coordinate, and a number on the y-axis called a y-coordinate.

What is the Y in math?

The vertical value in a pair of coordinates. How far up or down the point is. The Y Coordinate is always written second in an ordered pair of coordinates (x,y) such as (12,5). In this example, the value “5” is the Y Coordinate. Also called “Ordinate”

How do I find slope and y-intercept?

Summary. The slope-intercept form of a line is: y=mx+b where m is the slope and b is the y-intercept. The y-intercept is always where the line intersects the y-axis, and will always appear as (0,b) in coordinate form.

How do you find the Y-intercept with 2 points?

StepsCalculate the slope from 2 points. For Example, Two points are (3, 5) and (6, 11)Substitute the slope(m) in the slope-intercept form of the equation.Substitute either point into the equation. You can use either (3,5) or(6,11).Solve for b, which is the y-intercept of the line.Substitute b, into the equation.Sep 6, 2020

What is the Y-intercept of Y 5x 1?

So for the linear equation y = 5x – 1, it has a y-intercept equal to -1.

What is the Y-intercept of the function?

The y-intercepts are points where the graph of a function or an equation crosses or “touches” the y-axis of the Cartesian Plane. You may think of this as a point with x-value of zero. To find the y-intercepts of an equation, let x = 0 x = 0 x=0 then solve for y.

What is Y intercept in graph?

The intercepts of a graph are points at which the graph crosses the axes. The x-intercept is the point at which the graph crosses the x-axis. At this point, the y-coordinate is zero. The y-intercept is the point at which the graph crosses the y-axis.

What is Y intercept for kids?

The y-intercept of a line on a graph is where the line touches (or intercepts) the y-axis (the numbered line going straight up). The equation for straight lines is . ” ” is the. -intercept.

Where is Y intercept?

The y-intercept is where the line crosses the y-axis (touches the y-axis).

Which is the best description of the Y-intercept?

A y-intercept is the place where a line or curve crosses, or touches, the y-axis – the vertical, often darkened line in the center of a graph. It is also the point at which x = 0.