The discriminante :
b^2-4ac
1^2 - 4 * -2 * -28 = 1 - 224 = -223
When the discriminant (b^2-4ac) is less than 0, the equation had no real solutions.
-223<0, so, 2x^2+x-28 = 0 has no real solutions.
Hope that helps :)
Answer:
this one 1/5 = 3 x a
Step-by-step explanation:
1/5 =3×a (divied both side by 3)
a= 1/5 ÷3
Could possibly be a geyser
Answer:Divide your speed in feet per minute by 60
Step-by-step explanation:
