Answer:
All of the options when substituted for b will make the root of b irrational
Step-by-step explanation:
Mathematically, surds are roots of non-perfect squares and they are tagged as irrational numbers
For b to be irrational, all of the numbers given would fit. This is because all of these numbers are non-perfect squares meaning they do not have square root.
So what this mean is that these numbers when put under the root umbrella are irrational numbers as they are not perfect squares
Answer: 9.6 km
Rounding of to nearest tens- 10KM
56 is a decimal part of 70. 56 = 4/5 = .8
5-3/-4-2=-2/6 the slope of the line is -2/6. This is the case because you do y1-y2 over x1-x2. ANSWER -2/6
f(x)=-3x^2-1
f(-2)= -3(-2)²-1=-3·4-1= - 13
