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What is the equation of a straight line? Describe what all the terms within the equation do.

The equation of a straight line is: y = mx + c There is a 'y term', y, and an 'x term', x. The gradient of the line, m, is the slope of the straight line. The larger the value of m, the steeper the slope. Th...
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Answered by Nick S. • Maths tutor
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How do you find the X and Y intercepts of an linear equation?

To find the X intercept of an equation you can make Y = 0 and then solve for X. To find the Y intercept of an equation you can make X = 0 and then solve for YWhen you plot the equation on a graph with axis: ...
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Answered by Jack T. • Maths tutor
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If we know that y is directly proportional to x and that when x=1, y=3, then what is the value of x when y=4?

The fact that y is directly proportional to x gives us that y=kx, where k is some constant.Firstly, we need to find the value of this constant, using the pair of values we are given in the question. We subst...
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Answered by Joshua E. • Maths tutor
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Solve the following simultaneous equations, 1) 3x + 3y = 9 and 2) 4x + 2y = 13.

Solving the above question means to find a value of x and y that satisfies both equations. To solve this we first have to look at the x terms and y terms and decide which terms are the easiest to cancel out....
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Answered by Ellen B. • Maths tutor
7228 Views

How do you turn 0.11111... (recurring) into a fraction

Let's look at what makes this question more difficult than, say, 0.5 or 0.01: as the decimal is recurring, you can't just multiply and divide by a big number to get a fraction. Example: multiply 0.01 times 1...
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Answered by Alvaro P. • Maths tutor
61021 Views