Use the discriminant to describe the roots of each equation. Then select the best description.
3x2 - 2 + 7x = 0
double root
imaginary root
real and irrational root
real and rational root

real and irrational

Step-by-step explanation

1) bc it is

2) odyssey ware

3) other one is wrong

4) roots are -7+-sqrt 73 / 6 which is two irrational roots

1) c 2143.6 cm

2) c 113.0 m

3) a 33.5 ft

4)   d 2 cm

5) c 20 mm

6) 180 in

7) d 120 ft

actually your concept is wrong

step-by-step explanation:

150% of x =300

150x=300×100

x=(300×100)÷150

x=200