# Review

## Quiz by Duda Lemos

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includes Teacher and Student dashboards

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- Q1
Which expression is a simplified form of 3x

^{ 2}-4x+5-x^{ 2}+2x-12x

^{ 2}-2x+42x

^{ 2}+2x+64x

^{2}-2x+6120s - Q2
What is the value of x that satisfies the equation 4x-9=2x+3?

3

6

2

5

120s - Q3
Which of the following is equivalent the expression below?

(4x-5)+(2x+1)

6x-4

6x-4

2x-6

120s - Q4
Which of the following is equivalent to the expression below?

3x

^{2}(5x^{2}-2x+1)15x

^{4}-6x^{3}+3x^{2}8x

^{2}-2x+18x

^{2}+x+4120s - Q5
Aidan is buying a new CD player. The CD player was selling for $84.79 and now is on sale for 25% off. Which of the following is closest to the total cost of the CD player, including 15% sales tax?

$73.13

$63.59

$74.49

120s - Q6
A rectangular field has a perimeter of (10a-6) metres and a width of 2a metres. Which expression represents the length of this field?

3a - 3

12a - 6

8a - 4

8a - 6

120s - Q7
Which table shows a linear relationship between x and y?

120s - Q8
Find the missing side.

19

15

28

120s - Q9
What is the value z in the diagram below?

100

120

60

120s - Q10
Which of the following shows the expression in its simplest form?

x

^{4}yxy

30s