Algebra Answers

F (×) = x⁴ - x³ -2ײ

f(x)= x^4 +8x^3+16x^2

g(x) = -4x^2 -16x +5

using algebraic method, find the points of intersection of the graphs f(x) and g(x).

which of the solutions are reflected on the graphs

1) A man sells his car for $749 at a loss of 25/2% of what he paid for it. Find his actual loss

2) An article which costs $3.20 in 1940 now costs $9.12. Find the percentage increase in cost.

3) If a dealer charges $2.75 for a chair, he gains 75/2%, at what price must he sell it to gain 45%?

Two written questions that can be given to learners for classwork to test their understanding of the subtraction of fractions.

What are the two assessment methods, other than a written test,which you would use to assess learners' understanding of the subtraction of fractions and a reason for each choice of method.

2x2

Wayne charges the following for repairing washing machines:

£28 call-out charge + £16 for each half-hour he spends on the repair

What will the total cost be for a repair which takes one and a half hours?

Write these expanded forms as whole numbers.

b) 3000 000 000+800 000 000+30 000 000+1 000 000+700 000+40 000+2000 +900 +6

Write these expanded forms as whole numbers.

a)1 000 000 000 +700 000 000+20 000 000 +4 000 000+600 000 +90 000+5000 +800 +30 +1

If a person's eye is x meters above the sea level, and she can see y meter in the horizon, then y=square root 3.75 square root x. What if the eye level is 5.29 meters above sea level, how far can she see in the horizon?