Y9 Algebra Skills
20x - 35
A pentagon has 5 equal sides all labelled with the same expression, "4x - 7)". What expression would be used for the perimeter of the pentagon?
-4x - 5
Expand -(4x + 5)
-6xy + 10x²
Expand -2x(3y - 5x)
-20x - 35
Expand -5(4x + 7)
21x² - 35x
Expand -7x(5 - 3x)
-16x + 24
Expand -8(2x - 3)
6xy - 10x
Expand 2x(3y - 5)
2x² + 10x
Expand 2x(x + 5)
6x + 15y
Expand 3(2x + 5y)
9x - 12
Expand 3(3x - 4)
12x³ - 6x²
Expand 3x(4x² - 2x)
8x² - 9x
Expand and simplify (3x² + 2x) + (5x² - 11x)
4x - 3
Expand and simplify (6x - 2) - (2x + 1)
-7x + 6
Expand and simplify -2(9x - 3) + 11x
20x - 27
Expand and simplify 14x + 3(2x - 9)
14x + 22
Expand and simplify 2(3x + 1) + 4(2x + 5)
14x + 1
Expand and simplify 2(3x + 1) + 4(2x - 3) + 11
7x² + 14x
Expand and simplify 2x(5x + 1) - 3x(x - 4)
10x - 8
Expand and simplify 3(2x - 5) + (4x + 7)
24x + 15
Expand and simplify 3(8x - 5) + 30
16x² - 6x
Expand and simplify 3x(2x - 4) + 2x(5x + 3)
14x - 17
Expand and simplify 4(x - 3) + 5(2x - 1)
+ 11x² and - 4x²
Identify the like terms in the expression -7x + 11x² + 11x³ - 4x² - 9
-7y and - 1y
Identify the like terms in the expression 3x - 7y + 2xy - y + 11
2y + 4y + 3xy
Simplify 14xy - 3x + 2y + 7x - 11xy
9x - 2y
Simplify 17y + 18x - 9x - 19y
9x + 12
Simplify 2x + 3 + 7x + 9
6x - 15y
Simplify 4x - 8y + 2x - 7y
2x + 7x²
Simplify 4x² - 7x + 3x² + 9x
15y
Simplify 5y - 3x + 10y + 3x
-18x
Simplify 7 - 14x - 7 - 14x
18x
Simplify 7x + 11x
6x + 3
The width of a rectangle is labelled with the number "3". The length of the rectangle is labelled with the expression "2x + 1". What expression would be used for the area of the rectangle?
4x + 8
The width of a rectangle is labelled with the number "3". The length of the rectangle is labelled with the expression "2x + 1". What expression would be used for the perimeter of the rectangle?