Factorising
x²+5x+6
(x+3)(x+2)
3x+2>11
x>3
x+7=12
x=5
Find two numbers whose sum is 12 and product is 35:
5 and 7
What do you call friends who love math?
Alge-Bros
2x²−8x
2x(x-4)
x−4≤7
x≤11
2(x+5)=3(x−4)
x=22
A rectangle has a length that is 3cm longer than its width. If the area is 70cm², find the dimensions.
Width = 7cm, Length = 10cm
Why was the equal sign so humble?
Because it knew it wasn't less than or greater than anyone else!
9x²−16
(3x-4)(3x+4)
2(x−3)>x+5
x>11
(2x+5)/3=(x−1)/2
x=-13
John is 4 years older than Sarah. The sum of their ages is 38. Find their ages.
Sarah = 17 years, John = 21 years
What did the triangle say to the circle?
You're pointless
x³−3x²−4x+12
(x²-4)(x-3)
−2≤2x+6≤8
−4≤x≤1
Solve x²+2x−8=0
x=-4 or x=2
The sum of the ages of a father and son is 50 years. The father is 4 times as old as the son. Find their ages.
Son=10
Father= 40
Why was the math book so sad?
Because it had too many problems!
3x²−27y2
3(x-3)(x+3)
x−2/3≥5
x≥17
2x+3y=7
x−2y=4
x= 26/7
y=-1/7
A student got 5 marks more in Paper 2 than in Paper 1. Together the two papers totalled 115 marks. Find the marks in each paper.
Paper 1 = 55
Paper 2 = 60.
Why does Mr. Courtney wear glasses during math class?