Mathematics gr 9 Algebraic Expressions Class Test 2
Grade 9 Mathematics
Class Test 2
Term 2-2023
Total: 20
Time: 20 min
Question 1
1.1
Simplify:
1.1.1
4𝑎𝑏(5𝑎2 𝑏 2 + 2𝑎𝑏 − 3)
1.1.2
−3(𝑥 + 3)2
(2)
(3)
1.1.3
8+5m+8p+3m+p−2
(2)
1.1.4
b(5a2+2) + b(2a2+5)
(3)
1.1.5
3𝑥 − 6𝑦
3
(2)
1.1.6
−3(𝑥 + 2) + 4𝑥 − 3 + 2(2𝑥 − 1)
(3)
1.2
Write an algebraic expression for the following verbal expression.
1.2.1
the sum of 150 and three times a number
(1)
1.2.2
the sum of 200 and five times a number
(1)
1.3
Jake and Will work at a bakery. If J represents the number of cakes Jake can bake per day,
W represents the number of cakes Will can bake per day, x represents the number of days
Jake works in a week, and y represents the number of days Will works in a week, what does
the expression xJ+yW
represent?
(2)
(a)
The number of hours Jake and Will work in a week.
(b)
The number of cakes made by Jake and Will in a week.
(c)
The total number of cakes both Jake and Will could bake per day
(d)
The combined number of days Jake and Will work in a week.
1.4
What is the value of the expression −2(3x−2) + x+9 ,when x=−3?
(1)
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