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Free x intercepts calculator - find function's x-axis intercepts step-by-step.
For each problem, find the x-intercept and the y-intercept and plot those points on the graph (use and re-use box 2). Then visualize/sketch the graph. Finally, graph the equation (use and re-use box 3) and compare.
Our x and y intercept calculator will calculate the value of x and y intercepts for a straight-line equation, function, or expression. Simply input the function and the tool will let you know what coordinates are linked with it that will assist you to draw its graph.
X Intercept on a Graph. To find the x-intercept of a line of the form y = mx+b, substitute y = 0. Example: To calculate the x-intercept of any line for example the line y = 2x−4, put y = 0 in the equation of a line. Solution: 0 = 2x−4. 4 = 2x. 2 = x. So, the x-intercept of the line y=2x−4 is 2.
To find the x-intercepts of a function, set the value of y to 0 and solve for x. To find the y-intercepts of a function, set the value of x to 0 and solve for y. The function intercepts points are the points at which the function crosses the x-axis or the y-axis.
To find the X-intercepts of a quadratic function, follow the steps below. Step 1: On a graphing calculator, press [y=]. Step 2: Enter x 2 − 2 x − 5 at the prompt "Y1= ". Step 3: Press...
