9000153808
Level:
A
Find the number of subsets of the set
\(\{2,3,4,5\}\).
\(16\)
\(4\)
\(6\)
\(15\)
A
9000168703
Level:
A
Given the ellipse \(25x^{2} + 9y^{2} - 150x + 18y + 9 = 0\),
find the vertex on the major axis.
\([3,4]\)
\([3,2]\)
\([8,-1]\)
\([6,-1]\)
9000153807
Level:
A
Find the number of the positive integers with three digits which can be written using
the digits \(2\),
\(3\),
\(4\) and
\(5\). Each
digit can be used at most once.
\(24\)
\(64\)
\(256\)
\(81\)
9000168704
Level:
A
Given the ellipse \(9x^{2} + 4y^{2} + 36x - 24y + 36 = 0\),
find the vertex on the minor axis.
\([-4,3]\)
\([-5,3]\)
\([-2,0]\)
\([-2,1]\)
9000150308
Level:
A
Evaluate the following integral on \(\mathbb{R}\).
\[
\int \frac{\cos x}
{8}\, \text{d}x
\]
\(\frac{\sin x}
{8} + c,\ c\in \mathbb{R}\)
\(-\frac{\sin x}
{8} + c,\ c\in \mathbb{R}\)
\(\sin x + c,\ c\in \mathbb{R}\)
\(-\sin x + c,\ c\in \mathbb{R}\)
9000150401
Level:
A
Evaluate the following definite integral.
\[
\int _{-3}^{1}(x^{2} + 3x)\, \text{d}x
\]
\(-\frac{8}
{3}\)
\(\frac{8}
{3}\)
\(-\frac{64}
{3} \)
\(\frac{64}
{3} \)
9000150402
Level:
A
Evaluate the following definite integral.
\[
\int _{-\frac{\pi }{
2} }^{ \frac{\pi }
{2} }\sin x\, \text{d}x
\]
\(0\)
\(\pi \)
\(2\)
\(1\)
9000150403
Level:
A
Evaluate the following definite integral.
\[
\int _{-2}^{0}\mathrm{e}^{x}\, \text{d}x
\]
\(1 -\frac{1}
{\mathrm{e}^{2}} \)
\(1 + \frac{1}
{\mathrm{e}^{2}} \)
\(\frac{1}
{\mathrm{e}^{2}} \)
\(-\frac{1}
{\mathrm{e}^{2}} \)
9000150404
Level:
A
Evaluate the following definite integral.
\[
\int _{2}^{6} \frac{2}
{x}\, \text{d}x
\]
\(\ln 9\)
\(\ln 2\)
\(\ln 3\)
\(2\ln 6\)
9000150407
Level:
A
Evaluate the following definite integral.
\[
\int _{1}^{2}7^{x}\, \text{d}x
\]
\(\frac{42}
{\ln 7} \)
\(49\ln 7\)
\(42\)
\(42\ln 7\)