exam
Maths Puzzle
Numerical Ability
A graph of | 3y + 4 | < 13 would show
1. dots on -5 and 3 and a line connecting them
2. circles on -5 and 3 and a line connecting them
3. dots on -5 and 3 and arrows
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exam Other Question
When the polynomial 3x^2-2x+5 is subtracted from the product of 2x-5 and 3x+2, the answer is ax^2+bx+c. Find the sum a+b+c.
How do I start to multiply this rational expression z^2 - 10z+21/z^2 - 13 + 36 divided by z^2 -11z + 24/z^2 - 9z + 14