I need to graph it and find the slope plz help

Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.

This question awards 100 ! i really don’t want to fail i will also mark you !

What statement is true? 2x^2-9x+2=-1