Evaluate
\frac{11}{2}=5.5
Factor
\frac{11}{2} = 5\frac{1}{2} = 5.5
Quiz
Arithmetic
5 problems similar to:
( - 2 ) + ( - 3 ) \times [ ( - 4 ) + 2 ] - ( - 3 ) \div | - 2 |
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-2-3\left(-2\right)-\frac{-3}{|-2|}
Add -4 and 2 to get -2.
-2+6-\frac{-3}{|-2|}
Multiply -3 and -2 to get 6.
4-\frac{-3}{|-2|}
Add -2 and 6 to get 4.
4-\frac{-3}{2}
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of -2 is 2.
4-\left(-\frac{3}{2}\right)
Fraction \frac{-3}{2} can be rewritten as -\frac{3}{2} by extracting the negative sign.
4+\frac{3}{2}
The opposite of -\frac{3}{2} is \frac{3}{2}.
\frac{8}{2}+\frac{3}{2}
Convert 4 to fraction \frac{8}{2}.
\frac{8+3}{2}
Since \frac{8}{2} and \frac{3}{2} have the same denominator, add them by adding their numerators.
\frac{11}{2}
Add 8 and 3 to get 11.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}