LangeEbaaldepicepo LangeEbaaldepicepo
  • 04-02-2017
  • Mathematics
contestada

What does it mean to evaluate an expression in math?

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carolrookie
carolrookie carolrookie
  • 09-02-2017
It mainly means 'simplifying an expression down to a single numerical value', I believe.
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TheBlueFox
TheBlueFox TheBlueFox
  • 28-01-2020

Step-by-step explanation: To evaluate an expression means simplifying it down to a number and usually you will be given variables to substitute in and evaluate.

For example, let's evaluate the expression 3y + 7 when y = 2.

We simply multiply 3 x 2 and add 7 or 3(2) + 7.

3 x 2 is 6 so we have 6 + 7 which is 13.

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