What describes the number and type of the roots of the equation 4x+7=0

a. 1 imaginary root
b. 1 real root and 1 imaginary root
c. 2 real roots
d. 1 real root

Clara solved the equation 7/3x = −2/3 as shown → 7/3x( 3/7 ) = −2/3 ( 3/7 ) x = −14 what is clara’s error?

What is a rational number between 9.5 and 9.7

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.