exam
Maths Puzzle
Numerical Ability
A line passing through (-4,4) and (x,-8) is perpendicular to a line with slope 5/12. Find the value of x.
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exam Other Question
If there are 17 different ingredients for a burrito, how many different combinations can be made? How many years would it take to try all the combinations?
1. Please solve the following by factoring:
a) x^2- 6x - 16 = 0
b) 6x^2 + 42x = 0
2. If f(t) = 2t^2 - 4t - 1, find
a) f(2)
b) f(-1)
Please help, I need step by step instructions.