This is the answer for your test hope it helps
For this, we are just going to plug in -9 for every x and then solve the equation:




Now we know that q(-9) is equal to 566.
The answer to your query is 19.2
Divide 31 by 50 and that will give you .62 move the decimal point two places to the right and that gives you 62%. :)
Decimal: Divide 16 by 25: 0.64
Percent: move the decimal 2 places to the left: 64, then add a percent sign: 64%