The discriminant of y=ax^2+bx+c is b^2-4ac
given
9x^2+10x+0
a=9
b=10
c=0
discriminant=10^2-4(9)(0)=100-0=100
the discriminant is 100
125 minutes, or 2 hours and 5 minutes.

cross multiply
5*175=7x
875=7x

125=x
Answer:
You post the MCP problems here? Lol
Step-by-step explanation:
haha
ill tell mr aram someday ;p
The square of a prime number is not prime.
a) let x ∈ R, If x ∈ {prime numbers}, then
∉{prime numbers}
there says that if x is a real and x is in the set of the prime numbers, then the square of x isn't in the set of prime numbers.
b) Prove or disprove the statement.
ok, if x is a prime number, then x only can be divided by himself. Now is easy to see that
= x*x can be divided by himself and x, then x*x is not a prime number, because can be divided by another number different than himself
1) y + 1 = (1/4)(x - 3)
2) y - 6 = 0(x + 2)
3) y - 3 = -1(x + 2)
4) y + 7 = -2(x + 6)