exam
Maths Puzzle
Numerical Ability
x^2+2x-13=2
Read Solution (Total 1)
x^2+2x-15=0
x^2-5x+3x-15=0
x(x-5)+3(x-5)=0
x=5 ; x=-3
7 years ago
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exam Other Question
evaluate each function for the value specified
f(x)=x^2-7x+10;
find:
(a) f(0)
(b) f(5)
(c) f(-2)
This year, 75% of the graduating class of Harriet Tubman School had taken at least 8 math courses. Of the remaining class members, 60% had taken 6 or 7 math courses. What percent of the graduating class had taken fewer than 6 math courses.