Answer:
It's a
Step-by-step explanation:
This is a quadratic expression with the highest power of X being 2.
The coefficient of X² = 1
Note that the general form of a quadratic equation is aX² + bX + C
In this question,
a = 1
b = 7
C = 10
First step is to multiply a and C ( a x C)
= 1 X 10 = 10
Then, find 2 factors of 10 which can both add up to give 7, the coefficient of X given in the question.
The possible factors of 10 are 5 and 2. The sum of 5 and 2 is
5 + 2
Hence, the equation can be written as;
X² + 7X + 10 = X² + 5X + 2X + 10
The next step is to group using a bracket and factorise each bracket individually
(X² + 5X) + (2X + 10) =
X( X + 5) + 2( X + 5) =
(X + 5) (X + 2)
(X + 5) (X + 2) are the factors of the quadratic equation, X² + 7X + 10
Radius = 24.49
Hope this helps! (If not sorry!)
Answer:
The square root of 39 is 6.245. It lies between the whole numbers 7and 8!
Answer:
Step-by-step explanation:
If (3, 2) is an ordered pair of the function F(x), which of the following must be an ordered pair of the inverse of F(x)?
A. (3, 2)
B. (2, 2)
C. (2, 3)
D. (3, 3)
Answer:
t(d) = d/65
Step-by-step explanation:
To solve for t, divide by its coefficient:
d = 65t
d/65 = 65t/65 . . divide* by 65
d/65 = t . . . . . . . simplify
Then you can write it in function form if you like:
t(d) = d/65
_____
* Of course, the rules of equality say you must divide <em>both sides</em> of the equation by the same number.
