Evaluate the expression when x = 8 and y = 9: x(y − 9)3 + 2
just plug in the numbers!
8(9-9)^3 + 2 = 0+2
x
=
8
and
y
=
9
, evaluate the following expression:
x
+
y
To evaluate the expression when x = 8 and y = 9, we'll substitute these values into the expression and simplify the calculation step-by-step.
Step 1: Simplify the expression within the parentheses:
y - 9 = 9 - 9 = 0
Step 2: Substitute the simplified expression into the original expression:
x(y − 9)³ + 2 becomes 8(0)³ + 2
Step 3: Simplify the exponent:
0³ = 0
Step 4: Multiply the remaining expression:
8(0) + 2 = 0 + 2 = 2
Therefore, the expression evaluates to 2 when x = 8 and y = 9.
To evaluate the expression when x = 8 and y = 9, we need to substitute these values into the given expression and perform the calculations.
The given expression is: x(y − 9)³ + 2
Substituting x = 8 and y = 9: 8(9 − 9)³ + 2
Now, let's simplify the expression step by step:
Step 1: Simplify the term inside the parentheses.
9 − 9 = 0
So the expression becomes: 8(0)³ + 2
Step 2: Calculate the value of 0³.
Any number raised to the power of 0 is equal to 1.
So 0³ = 0 × 0 × 0 = 0
Now, the expression becomes: 8(0) + 2
Step 3: Multiply 8 with 0.
8 × 0 = 0
Now, the expression becomes: 0 + 2
Step 4: Add 0 and 2.
0 + 2 = 2
Therefore, when x = 8 and y = 9, the given expression evaluates to 2.