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The equation of a quadratic curve is y=x^2+ax+b. The points (6,-4) and (4,-6) lie on this curve. Find the co-ordinates of the turning point of the curve.

If y=x^2 + ax + b is the equation for the curve, then the points which lie on the curve must satisfy this equation.Inputing the points into the equation gives:-4 =6^2+6a+b -6=4^2+4a+bNow solve simultaneou...

Answered by Sena A. • Maths tutor

3802 Views

The forward direction of a chemical reaction is exothermic. What happens if you increase the temperature of the system?

The forward direction of this reaction is exothermic. If the temperature of the system is increased, the equilibrium will move in the endothermic direction to compensate for the extra heat added. More pro...

Answered by Eleanor K. • Chemistry tutor

7590 Views

Outline what is meant by qualitative and quantitative methods in psychology and explain one difference between these methods.

Qualitative and Quantitative are different ways to collect data in a study.Qualitative refers to recording thoughts and feelings whereas Quantitative refers to numerical values being collected.

Answered by Georgia C. • Psychology tutor

1525 Views

3^a = 1/9, 3^b = 9sqrt(3) c = 1/sqrt(3). Work out the value of a + b + c

I will explain best during the interview on the whiteboard space

Answered by Eduardo C. • Maths tutor

10420 Views

How does deindustrialisation lead to social issues?

When an area experiences deindustrialisation, the unemployment rate increases. This lack of jobs means that people who can afford to will move away to find a new job, leaving low-income groups in the area...

Answered by Madeleine E. • Geography tutor

3376 Views