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Find where the equation y = x^2 + x - 2 crosses the x-axis.

First, notice that any equation crosses the x-axis when y = 0.Second, notice that x 2 + x - 2 = 0 is an example of a quadratic equation. So, we generally do 1 of 3 things (Factorise, Complete the square or u...
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Answered by Asad R. • Maths tutor
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When is the subjunctive used?

The subjunctive is always preceded by que/ qui and almost always in a dependent clause. However, these two factors can be present without the subjunctive being required, so how do we know? The first indicato...
Answered by • French tutor
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Use the factor theorem to show that (x+2) is a factor of g(x)= 4x^3 - 12x^2 - 15x + 50

To prove (x+2) is a factor, the value of x that makes x+2 equal 0 must be substituted into the function g(x) also making g(x)=0. In this case, the value of x being -2 makes x+2 equal to 0 and when substitute...
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Answered by James R. • Maths tutor
11020 Views

'No more evasion'. Discuss the ways Shakespeare addresses the issue of evasion in Measure for Measure.

Perhaps the most conspicuous example of such circumvention in Measure for Measure is the Duke's attempt to avoid his responsibilities as a leader. Despite the order for 'No more evasion' originating from Vin...
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Answered by Eirian W. • English tutor
2133 Views

factorise 2x^2 +10x

2x(x+5)
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Answered by Ashley S. • Maths tutor
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