how to find the x and y intercepts of a standard form equation?
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To find the x-intercept of a given linear equation, simply remove the 'y' and solve for 'x'. To find the y-intercept, remove the '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. Check it out!
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['Rewrite the linear equations in standard form Ax + By = 0 by combining like terms and adding or subtracting terms from both sides of the equation. ... ', 'Write one of the equations directly underneath one another so the x and y variables, equals signs and constants line up.']
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['Press Graph.', 'Press More and then Math (F1)', 'Press Lower (F1). Arrow to the left of the x-intercept and press enter.', 'Press Upper (F2). Arrow to the right of the x-intercept and press enter.', 'Press Root (F3). ... ', 'The TI-85 will return a value for x and 0 (or really close to it) for y.']
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Isolate y on the Left Side The form of the equation is Ax + By = C, so subtract Ax from both sides and divide both sides by B. You get : y = -(A/B)x +C/B. This is the slope intercept form. The slope of the line is -(A/B).
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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.
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To find the y-intercept(s) (the point where the graph crosses the y-axis), substitute in 0 for x and solve for y or f(x). To find the x-intercept(s) (the point where the graph crosses the x-axis â€“ also known as zeros), substitute in 0 for y and solve for x.
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['∙y=mx+b.', 'y=2x+7 is in this form.', 'with slope =2 and y-intercept =7.']
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['Find the slope, m.', 'Find the y-intercept, b.', 'Plot the y-intercept.', 'Use the slope to plot additional points.', 'Draw the line.']
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You are probably already familiar with the slope-intercept form of a line, y = mx + b. The standard form is just another way to write this equation, and is defined as Ax + By = C, where A, B, and C are real numbers, and A and B are both not zero (see note below about other requirements).
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To find the y intercept using the equation of the line, plug in 0 for the x variable and solve for y. If the equation is written in the slope-intercept form, plug in the slope and the x and y coordinates for a point on the line to solve for y.
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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. Check it out!
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Intro to linear equation standard form. The standard form for linear equations in two variables is Ax+By=C. For example, 2x+3y=5 is a linear equation in standard form. When an equation is given in this form, it's pretty easy to find both intercepts (x and y).
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To find the y-intercept(s) (the point where the graph crosses the y-axis), substitute in 0 for x and solve for y or f(x). To find the x-intercept(s) (the point where the graph crosses the x-axis â€“ also known as zeros), substitute in 0 for y and solve for x. Examples: Find the intercepts of the function given.
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['y = mx + b.', 'Graph the equation: y = 2x + 4.', 'Slope = 2 or 2/1.', 'Y-intercept = 4 or (0,4)', 'Step 1: Plot the y-intercept on your graph. ... ', 'Step 2: From the y-intercept (0,4) use the slope to plot your next point.', 'The slope is 2, so you will rise 2 (up) and run 1 (to the right).']
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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.
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["Before you apply the formula, it's a good idea to rewrite the equation in standard form (if it isn't already) and figure out the a, b, and c values. ... ", 'Simplify this formula one time to get.', 'Simplify further to get your final answer, which is two x values (the x-intercepts):', 'About the Book Author.']
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To find the x-intercepts algebraically, we let y = 0 in the equation and then solve for values of x. In the same manner, to find for y-intercepts algebraically, we let x = 0 in the equation and then solve for y.