Grade 11 Math Checkup
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1)
Find the maximum value of the equation y = –4x² – 8x – 3. Answer =
2)
$500 is invested at 5% interest compounded quarterly. How long will it take to equal $800? Round to the nearest tenth of a year. [Use A = P(1 + r/n)nt]
3)
Simplify: cos(x) tan(x) =
4)
Given the arithmetic series an = a0 + d(n - 1), with a0 = 5 and d = 10, find the sum of the first 30 terms.
5)
Simplify: 3√7 – 2√28 = –√
