Step-by-step explanation:
Any answer that involes,
Step 1: Complete the Square
Step 2: Turn the left side into a binomial
Step 3: Solve for x.
OR
X=-3 or X=13
3.
1 answer:
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Answer:
In the attachment
Step-by-step explanation:
<, > - dots line
≤, ≥ - solid line
<, ≤ - shading to the left
>, ≥ - shading to the right
-----------------------------------------------------
We have x > -2
dot line x = -2
shading to the right
Answer: d. 10
Step-by-step explanation:
We know that the number of combinations of r objects selected from a group of n objects at a time is given by :-
Given : The total number of letters = 5
The number of letters need to select = 2
Then , the number of combinations of 2 letters selected from a group of 5 letters at a time is given by :-
Hence, there are 10 possible selections.
Answer:
The positions of the vertex and the axis of symmetry change.
Step-by-step explanation:
Let’s examine three parabolas in which a and c remain constant and only b changes.
(1) y = x² - 2x + 1
(2) y = x² + 1
(3) y = x² + 2x + 1
In the image below,
Equation (1) is the black parabola, Equation (2) is green, and Equation (3) is red.
When b is more negative, the vertex moves down, and the axis of symmetry moves to the right.
When b is more positive, the vertex moves down, and the axis of symmetry moves to the left.
