Writing Expressions
5 less than y
y - 5
c + c - c + c + c - c
2c
Expand and simplify:
x(x + 2)
x^2 + 2x
______ ----> x 4 -----> -9 _______
What is the input when the output is 35
11
skills question a
4x + 18
x multiplied by 3
3x
m + m + n + n + n + n
2(d + 4) - 3(d - 5)
-d + 23
3g + 8 = 23
g = 5
skills question b
4x + 6y
half of m then subtract 15
m/ 2 - 15
12x - 3 + 4x - 9
16x - 12
-5(x - 3) - 6(x + 2)
-11x + 3
3(4y - 6) = 30
y=4
skills question c
5x
x add 9 all multiplied by 2
2(x + 9)
2x^2 +4x +7x^2 -2x
9x^2 + 2x
(x + 4)(x + 5)
x^2 + 9x + 20
8g + 6 = 10g + 2
g = 2
skills question d
20b - 14
h multiplied by -3 then subtract 12 all divided by 11
(-3h - 12)/ 11
8 - 6n + 5 - 7n
13 - 13n
(x - 8)(x+ 8)
x^2 - 64
8x - 8 = 4(x +3)
x = 5
skills question e
44b