## Algebra Questions Subject

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AlgebraQuestions

Subject

AlgebraQuestions

PartA.

Letp represent the population, d the national debt and x the time.

1. a)

(Aufmannet al.,2014)

LinearEquations.

1. a)

Thisis the linear equation for population in slope intercept form.

At

Thisis the linear equation for debt in slope intercept form.

1. Population-Time Graph (Goode et al.,2016)

2. National Debt – Time Graph.

3. In 10 years time when

Populationwill be after 10 years.

In20 years time

 Time (Years) Debt(\$) Population Debt/Citizen 0 17, 000, 000, 000 317, 000, 000 53.63 10 39, 100, 000, 000 345, 530, 000 113.16 20 61, 200, 000, 000 374, 060, 000 163.61 30 83, 300, 000, 000 402, 590, 000 206.91

5.

(Poole,D.,2014).

6.

=9 years.

PartB

1. Let the profit for June be and that of May be

Dueto the unexpected weather

1. Part C.Graph

10.

1. Square root method cannot be used to solve the above quadratic since b is not equal to zero (Strang, G.,2011)

References

Strang,G. (2011). Introduction to linear algebra.

Poole,D. (2014).&nbspLinearalgebra: A modern introduction.Cengage Learning.

Aufmann,R. N., &amp Nation, R. D. (2014).&nbspCollegeAlgebra.Nelson Education.

Goode,S. W., &amp Annin, S. A. (2016).&nbspDifferentialequations and linear algebra.Pearson.