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Draw the graph of y=2-3x for values of x from -3 to 3.

1) Start by drawing a table containing x values from -3 to 3 and their corresponding y values. x -3 -2 -1 0 1 2 3y 11 8 5 2 -1 -4 -7 2) Now plot the seven points onto a graph. 3) Use a ruler to draw a straig...
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Answered by James S. • Maths tutor
8721 Views

Simplify fully (3x^2-8x-3)/(2x^2-6x)

3x^2-8x-3 factorises into (3x+1)(x-3)2x^2-6x fatorises into 2x(x-3)Common factor between the numerator and denominator is (x-3)therefore the final answer is (3x+1)/2x
MB
Answered by Michael B. • Maths tutor
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How do you solve the equation '2x + 1 = 5'?

The objective for this question is to work out what number ' x' represents in order for this equation to be true. This simply means that we want to find the number that 'x ' equals, so we have x = ? We must ...
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Answered by Anna G. • Maths tutor
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√5(√8 + √18) can be written in the form a√10 where a is an integer. Find the value of a.

We have: √5(√8 + √18) Now, multiply out the brackets (multiply everything inside the brackets by √5). This gives us √40 + √90 We now need to simplify the SURDs. We know that we want the answer in the form a√...
Answered by • Maths tutor
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Calculate the length of the hypotenuse of a right-angled triangle when the other two sides measure 6cm and 9cm.

Pythagoras theorem which applies to right angled triangles is summarised by the following formula: c 2 = a 2 + b 2 where 'c' is the hypotenuse of the triangle, whilst 'a' and 'b' are the two sides that conne...
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Answered by Gajendra S. • Maths tutor
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