Graph the line using the slope and the y-intercept, or the points. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

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In this video we'll draw the graph for y = 3x. You may also see this written as f(x) = 3x. First, we will use a table of values to plot points on the graph....

\frac{d}{dx}(\frac{3x+9}{2-x}) (\sin^2(\theta))' \sin(120) \lim _{x\to 0}(x\ln (x)) \int e^x\cos (x)dx \int_{0}^{\pi}\sin(x)dx \sum_{n=0}^{\infty}\frac{3}{2^n} Show More

Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.

Feb 12, 2025 · To graph the line given by the equation y = 3 x, identify the slope and intercept, choose values for x, calculate corresponding y values, plot the points, and draw a line through them. The slope of 3 indicates that y increases by 3 units for every 1 unit increase in x .

Feb 16, 2017 · To graph the equation y = 3x, you can follow these steps: Choose a set of x-values to plug into the equation. For simplicity, let's choose a range of x-values such as -3, -2, -1, 0, 1, 2, and 3. Substitute the chosen x-values into the equation to find the corresponding y-values. Multiply each x-value by 3 to determine the y-values. For example:

Jun 30, 2017 · y = 3x + 0, where 3 is the slope and "0" is the y-intercept. Determine a few points on the line by choosing values for x and solve for y. Points. x = (−2),y = (− 6) x = 0,y = 0. x = 2,y = 6. Plot the points and draw a straight line through them. graph {y=3x [-14.99, 6.975, -5.55, 5.435]}

Substituting 0 for x 1 and b for y 1 in the point-slope form of a linear equation, we have. y - b = m(x - 0) y - b = mx . or. y = mx + b . Equation (3) is called the slope-intercept form for a linear equation. The slope and y-intercept can be obtained directly from an equation in this form. Example 2 If a line has the equation

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Draw, Scan, Solve, and Learn! Solve long equations, draw in landscape! See how to solve problems and show your work—plus get definitions for mathematical concepts. Instantly graph …

Free online graphing calculator - graph functions, conics, and inequalities interactively

Free online graphing calculator - graph functions, conics, and inequalities interactively