Answer: has a maximum
the maximum is 11
Step-by-step explanation:
f(x)= -5x^2-10x+6
the function f(x)= ax^2+bx+c=0 has a<0 so the equation has a maximum
I know V has the coordonate x=-b/2a, and y=-(b^2-4ac)/4a
b^2-4*a*c= (-10)^2-4*(-5)*6=100+120=220
so -b/2a=-(-10)/-2*5=+10/-10=-1 and
-(b^2-4ac)/4a=-220/4*(-5)=-220/-20=22/2=11
so V( -1, 11)
and the maximum is 11
False
If the 3 sides form a right triangle then the square of the longest side must equal the sum of the squares of the 2 other sides.
28² = 784
26² + 12² = 674 + 144 = 818 ≠ 784
Thus sides do not form a right triangle.
8030000 is 8026310 in 3 significant figures
The factorisation of the given expressions is as follows;
- a) p²y²– 2py + 1 = (py -1)²
- b) a²y² -2aby +b² = (ay - b)²
<h3>Factorization using identities</h3>
The given identity is;
From the given identity, we can conclude that;
In the expression (a);
- py represents a in the identity and 1 represents b in the identity.
In the expression (b);
- ay represents a in the identity and b represents b in the identity.
Hence, the factorised expressions are as represented above.
Read more on factorisation;
brainly.com/question/24371127
Answer:
t > 50
Step-by-step explanation:
sorry if this isn't the answer you want i don't know what the question is asking
