Search our library of homework questions

Top answers

All subjects

All levels

Solve the equation x2-7x=-10

Step 1: Rearrange equation to form x² + bx + c= 0 -Add 10 to both sides of equation: x²-7x +10=0 Step 2: Factorise the quadratic equation -Find tw...

Answered by Edward W. • Maths tutor

4368 Views

Write 2x2+ 12x + 3 in the form p(x + q)2+ r

Write 2x²+ 12x + 3 in the form p(x + q)²+ r Step 1: Factorise all the x terms using a common factor with brackets. In this case 2 is a common factor to both 2x²and 12x ===...

Answered by Juhi S. • Maths tutor

20732 Views

how is an ation potential generated?

An action potential is generated within the axon of a neuron via a series of steps:1) the inside of the neuron at rest is negative (-70mV), called the resting potential2) Na ion channels open and inside o...

Answered by Alexander L. • Biology tutor

2193 Views

Given y=2x^4-1+x^1/2, solve dy/dx

Using the sum rule, you can split the function in three terms and then derive each of them separately. The rule is to bring down the power and the power minus one. So for the first term, it becomes 2*4x

Answered by Yanni C. • Maths tutor

3317 Views

Discuss the likely effects of expansionary monetary policy.

Expansionary monetary policy is the use of a central bank's money supply and interest rate manipulation to stimulate aggregate demand and aggregate supply. This is done through raising the money supply, l...

Answered by Eric S. • Economics tutor

4471 Views