Write the phrase as an expression. Then evaluate the expression when y=20.
1 answer:
Answer: Evaluate 2x2−3x+8 when x=−4 .
Substitute −4 for x. 2(−4)2−3(−4)+8
Simplify exponents. 2(16)−3(−4)+8
Multiply. 32−(−12)+8
Subtract. 44+8
Add. 52
Now we can evaluate expressions that include multiplication and division with integers. Remember that to evaluate an expression, substitute the numbers in place of the variables, and then simplify.
You might be interested in
Answer:
odd
Step-by-step explanation:
i looked it up
The answer is 1/4 x - 3 = 12
Well the total cost of the washing machine is 504. so that is it u can even use a calculator
Answer:
no she is wrong
Step-by-step explanation:
7a-4+3a-6= 10a-10 therefore they are not equal
Answer:
600
Step-by-step explanation:
You would do 36,000 divided by 60 because there are 60 minutes in an hour, and it would be 600.