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How do you show that (x+2) is a factor of f(x) = x^3 - 19x - 30, and then factorise f(x) completely?

A1) Showing that (x+2) is a factor of f(x).         General Method:  If A is a number, then (x- A) is a factor of f(x) if when x=A,  f(x=A)=0    <-- This is what we want to show                        ...

RW
Answered by Rebecca W. Maths tutor
9213 Views

Name and describe the 4 steps involved in aerobic respiration

Glycolysis- This is the first step which occurs in the cytosol. glucose broken down into pyruvate yielding 2 net atp and 2 pyruvate molecules per glucose. This is the only step in anaerobic respiration. <...

UO
Answered by Uchenna O. Biology tutor
4474 Views

Why is it ineffective to tax inelastic products as a means to deter their consumption?

  1. Define terms: An inelastic good is product for which demand does not reduce significantly as a result of an increase in price. This generally means that price increase have little impact on how much...
UO
Answered by Uchechi O. Economics tutor
7221 Views

How is information transmitted across a chemical synapse?

By neurotransmitters. At a neuromuscular junction, the neurotransmitter is Acetylcholine released from vesicles in the pre-synaptic neurone. Receptors on the muscle cell surface bind acetylcholine in the ...

UO
Answered by Uchenna O. Biology tutor
2675 Views

A solution of ethanoic acid is made by dissolving 3g of pure liquid propanoic acid in 500cm^3 water. Given the pH of the solution is 2.98, calculate Ka.

Before using numbers from the question: 1)What is pH? pH = -log[H+] Square brackets mean concentration of H+ so we need to convert given pH to [H+] in the weak acid coefficient 2) To...

SH
Answered by Sofia H. Chemistry tutor
3333 Views

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