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How do you find the x-intercept of a linear graph?

How do you find the x-intercept of a linear graph?

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 x-intercept of a function using a graph?

To determine the x-intercept, we set y equal to zero and solve for x. Similarly, to determine the y-intercept, we set x equal to zero and solve for y. For example, lets find the intercepts of the equation y = 3 x − 1 \displaystyle y=3x – 1 y=3x−1. To find the x-intercept, set y = 0 \displaystyle y=0 y=0.

How do you know if a graph has two x-intercepts?

This function has a single x-intercept.

  1. In the graph below, the function has two x-intercepts.
  2. The general rule for finding the x-intercept or intercepts of any function is to let y=0 and solve for x.
  3. Find the x-intercept of the function: y=3x–9.
  4. Let y=0 and solve for x.
  5. Answer: Therefore the x-intercept is 3.

What are the x-intercepts of the graphed function?

The x -intercepts of a function are the point(s) where the graph of the function crosses the x -axis. The x -intercept is often referred to with just the x -value. For example, we say that the x -intercept of the line shown in the graph below is 7 .

What is X intercept and y-intercept of a graph?

The x intercept is the point where the line crosses the x axis. The y intercept is the point where the line crosses the y axis.

How do you find the x and y intercepts on a graph?

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 x intercept in an equation?

The x intercept is the point where the line crosses the x axis. At this point y = 0. The y intercept is the point where the line crosses the y axis. At this point x = 0.

What is X intercept and y intercept of a graph?

The x-intercept is the point where a line crosses the x-axis, and the y-intercept is the point where a line crosses the y-axis.

Which function has the most X intercepts?

Answer Expert Verified The function h(x) has x-intercepts at points (pi over 2, 0) and (3 pi over 2, 0). Hence function h(x) has 2 x-intercepts. Therefore, the function with the most x-intercepts is function g(x) with 4 x-intercepts.

Which function has the greatest x-intercept?

h(x) = 2^x – 16 has the greatest x-intercept.

What is the Y intercept in an equation?

The y intercept is the point where the line crosses the y axis. At this point x = 0. Consider the following equation: 6x +3y = 18. To find the x intercept set y = 0.

When do you have a linear equation what is the x intercept?

When you have a linear equation, the x-intercept is the point where the graph of the line crosses the x-axis. In this tutorial, learn about the x-intercept. Check it out! What’s the Y-Intercept? When you have a linear equation, the y-intercept is the point where the graph of the line crosses the y-axis.

When does the x intercept cross the x axis?

When you have a linear equation, the x-intercept is the point where the graph of the line crosses the x-axis. In this tutorial, learn about the x-intercept.

How to graph the equation of a linear function?

How To: Given the equation of a linear function, use transformations to graph the linear function in the form f (x) = mx +b f ( x) = m x + b. 1 Graph f (x)= x f ( x) = x. 2 Vertically stretch or compress the graph by a factor m. 3 Shift the graph up or down b units. More

When does a rational function have an x-intercept?

A rational function written in factored form will have an x -intercept where each factor of the numerator is equal to zero. (An exception occurs in the case of a removable discontinuity.)