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(2x+5)/3 = 11. Solve for x.

3 x ((2x + 5) /3) = 11 x 32x + 5 = 33(2x + 5) - 5 = 33 - 52x = 28 (2x) /2 = 28 / 2x = 14
AS
Answered by Alex S. • Maths tutor
6215 Views

Sketch the graph of x^2 + 4x + 3

Although this sounds like a complex problem, we can simplify it down to just finding the roots of the equation. Let's start by drawing a standard x^2 curve (would draw). We can see that it goes through the (...
JC
Answered by Jackson C. • Maths tutor
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What are the roots of the graph of this equation: x^2 + 9x + 18 = 0

Roots are where the graph crosses the x-axis, which we find by solving the equation to find x. x = -6 or x = -3
MH
Answered by Mona H. • Maths tutor
2784 Views

The line y = x^2 -3x + 2 is reflected in the x-axis, find the equation of the new line that has been reflected.

To find the new equation you use the formula y = -f (x) to find the equation of the reflected line. Using y = -f (x) on y=x 2 - 3x + 2 means you need to change the signs from positive to negative or negative...
LM
Answered by Lily M. • Maths tutor
6815 Views

Make c the subject of the formula a=3c-12

To approach this question, you need to think of simple algebra and what the question is asking for. If they want c to be the subject of the formula, they are looking for the answer to be in terms of c. To pu...
RH
Answered by Raphaelle H. • Maths tutor
5565 Views