Verify
false
Quiz
Arithmetic
5 problems similar to:
- \frac { 3 } { 8 } - 4 \frac { 3 } { 8 } = 4 \frac { 7 } { 8 }
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-3-\left(4\times 8+3\right)=4\times 8+7
Multiply both sides of the equation by 8.
-3-\left(32+3\right)=4\times 8+7
Multiply 4 and 8 to get 32.
-3-35=4\times 8+7
Add 32 and 3 to get 35.
-38=4\times 8+7
Subtract 35 from -3 to get -38.
-38=32+7
Multiply 4 and 8 to get 32.
-38=39
Add 32 and 7 to get 39.
\text{false}
Compare -38 and 39.
Examples
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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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}