8 Questions
- Expand and simplify the following: 5p(p-4)-7(1-2p)
5p^2-6p-7
- Derrick saved 50 and purchased z socks from EB games. Since Derrick is a long-time customer, EB games rewards him x in return. Determine a equation for his purhcases of socks.
50 = z + x
Determine the equation of the line for Figure 3
x+y =100
The formula for simple interest is I = PRT/100. Determine the number of years that $2500 should be invested at 5% pa to earn 500 interest
4 years
A doctor usually works 40 hours per week at $50/hr and is paid for overtime. In one particular week, the doctor had worked for 60 hours. Doctors receive a 20% increase in standard wage for working overtime. Determine the doctor’s weekly salary for the week he worked overtime.
4500
The mid point and distance between the points (3,6)& (5,8) is respectively:
(4,7) & 2.8
Determine which of the following points lies on the curve: y = 100-x
(38,62)
In 2023, 42% of all Year 9 Churchie students attend opening weekend for the movie Oppenheimer , and 58% instead watched Barbie. Since then, 15% of those who decided to watch Oppenheimer cancelled at the last minute. At the same time, 15% of those who watched Barbie also decided to watch Oppenhiemer. Determine the percentage of students that watched Oppenhiemer on opening weekend
40%
Test your algebra and geometry knowledge with questions on expanding and simplifying algebraic expressions, writing equations for purchases and lines, calculating simple interest, and determining salaries. This quiz covers a range of algebraic and geometric concepts.
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