Top answers

Express x^2+8x+15 in the form (x+a)^2-b

Completing the Square is required to solve this equation. First, identify A,B, and C of the quadratic equation: A=1, B=8, C=15. Halve B to obtain a : B/2 = 8/2 = 4 so a = 4. Substitute a into the form (x+a) ...
MP
Answered by Mahfuza P. • Maths tutor
31986 Views

Solve the quadratic function x^2 + 3x + 2

(x+2)(x+1)
PR
Answered by Prashant R. • Maths tutor
3060 Views

A reaction, A + B -> C, is considered second order with respect to A and first order with respect to B. What is the effect of simultaneously doubling the concentration of A and B on the rate of reaction?

"second order with respect to A" tells us that doubling the concentration of A will cause the reaction rate to increase by a factor of 4."first order with respect to B" then tells us that...
HJ
Answered by HENRY J. • Chemistry tutor
2798 Views

Could you tell me what would be the six basic emotions of a person?

Happiness, sadness, fear, anger, surprise and disgust.
MP
Answered by Madalina P. • Drama tutor
1860 Views

What is Utilitarianism?

Utilitarianism is an consequntalist ethical theory that is concerned with providing the greatest good/happiness for the greatest number of people.
JL
2182 Views