Questions: Evaluate 9y^1-y^0 if y=-4

Transcript text: Evaluate $9 y^{1}-y^{0}$ if $y=-4$

Solution

Step 1: Substitute $ y $

Substituting $ y = -4 $ into the expression $ 9y^{1} - y^{0} $: \[ 9(-4)^{1} - (-4)^{0} \]

Step 2: Simplify the Powers

Calculating the powers: \[ 9(-4) - 1 \]

Step 3: Perform the Arithmetic

Now, perform the multiplication and subtraction: \[ -36 - 1 = -37 \]

$\boxed{-37}$

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