If a point A has coordinates (1,2) and point B has coordinates (9,8), what is the distance between points A and B?
2 answers:
Answer:
10
Step-by-step explanation:
Use the distance formula to determine the distance between the two points.
Substitute the actual values of the points into the distance formula.
Simplify,
Rewrite
Pull terms out from under the radical, assuming positive real numbers.
10
<em>good luck, hope this helps :)</em>
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Answer:
B) Vertex = (-5, 2)
Step-by-step explanation:
Vertex can be defined as defined as the point where two lines meet and form a particular angle with each other. It can also be described as the point where a line changes its direction
We can find vertex by two methods:
<h3>1) GRAPH</h3>We can see in the graph attached below that the line changes its direction at point (-5, 2). So the vertex is (-5,2)
<h3>2) FORMULA</h3>General form of equation of mod function is given by
y = a |x - h| + k
where Vertex = (h, k)
The given equation is
h(x) = 3 |x + 5| + 2
h(x) = 3 |x - (-5)| + 2
where h = -5 and k = 2
So the vertex is:
Vertex = (-5, 2)
