Solve the quadratic by taking the square root −7x2=−448

no real roots

x=8

x=±3.02

x=±8

Step-by-step explanation:

-7x²=-448

x²=64

x=±8

i would need to see the dot plot : )

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: