Evaluate
-\frac{13}{4}=-3.25
Factor
-\frac{13}{4} = -3\frac{1}{4} = -3.25
Share
Copied to clipboard
\frac{7\left(-11\right)}{4\times 4}+\left(-\frac{5}{4}\right)^{2}
Multiply \frac{7}{4} times -\frac{11}{4} by multiplying numerator times numerator and denominator times denominator.
\frac{-77}{16}+\left(-\frac{5}{4}\right)^{2}
Do the multiplications in the fraction \frac{7\left(-11\right)}{4\times 4}.
-\frac{77}{16}+\left(-\frac{5}{4}\right)^{2}
Fraction \frac{-77}{16} can be rewritten as -\frac{77}{16} by extracting the negative sign.
-\frac{77}{16}+\frac{25}{16}
Calculate -\frac{5}{4} to the power of 2 and get \frac{25}{16}.
\frac{-77+25}{16}
Since -\frac{77}{16} and \frac{25}{16} have the same denominator, add them by adding their numerators.
\frac{-52}{16}
Add -77 and 25 to get -52.
-\frac{13}{4}
Reduce the fraction \frac{-52}{16} to lowest terms by extracting and canceling out 4.
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}