Unit 2 Review
1. Which of the following is an expression?
a) 4x – 6 = -3 + x b) a + 2
a) 4x – 6 = -3 + x b) a + 2
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1. Which of the following is an expression?
a) 4x – 6 = -3 + x b) a + 2
a) 4x – 6 = -3 + x b) a + 2
Slide 1 - Open vraag
1. Which of the following is an expression?
a) 10y = 18 b) 5p + 5
a) 10y = 18 b) 5p + 5
Slide 2 - Open vraag
1. Which of the following is an equation?
a) 10y = 18 b) 5p + 5
a) 10y = 18 b) 5p + 5
Slide 3 - Open vraag
Write your own expressions
a. _________
b. _________
a. _________
b. _________
Slide 4 - Open vraag
Write your own equations.
a. _________
b. _________
a. _________
b. _________
Slide 5 - Open vraag
Work out:
) 2p – q + 5 = ______, when p = 4 and q = 5
) 2p – q + 5 = ______, when p = 4 and q = 5
Slide 6 - Open vraag
Work out:
+ 5 = ______, when p = 40 and q = 5
+ 5 = ______, when p = 40 and q = 5
5p
Slide 7 - Open vraag
Work out:
3p + 5 = ______, when p = 40 and q = 5
3p + 5 = ______, when p = 40 and q = 5
Slide 8 - Open vraag
Write a formula to work out the number of hours "h" in any number of days "d".
Slide 9 - Open vraag
Write a formula to work out the number of days "d" in any number of weeks "w".
Slide 10 - Open vraag
Write a formula to work out the number of hours "h" in any number of days "d".
How many hours are there in 5 days?
How many hours are there in 5 days?
Slide 11 - Open vraag
Expand the expression:
2(5m - 7)
2(5m - 7)
Slide 12 - Open vraag
Expand the expression:
3(-7 - 3n)
3(-7 - 3n)
Slide 13 - Open vraag
Expand the expression:
3(2n+6) - 3
3(2n+6) - 3
Slide 14 - Open vraag
Expand the expression:
5(2n+6) - 3
5(2n+6) - 3
Slide 15 - Open vraag
Expand the expression:
4(t – 2) + 2(3t – 2)
4(t – 2) + 2(3t – 2)
Slide 16 - Open vraag
A rectangle has a length of m+10 and a width of 3m+2. Write the equation for the perimeter of this rectangle.
Slide 17 - Open vraag
Find m if the perimeter is 70.
