How do you find a vertex by looking at an absolute value equation?
Answer
629.1k+ views
Hint: The general form of an absolute value equation is \[y=a|x-h|+k\]. The variable tells us how far the graph stretches vertically, and whether the graph opens up or down. The variables and tell us how far the graph shifts horizontally and vertically.
Complete step by step answer:
Absolute value equations are equations where the variable is within an absolute value operator, like \[|x-3|=5\]. The absolute value of a number depends on the number's sign: if it is positive, it is equal to the number: \[|5|=5\]. If the number is negative, then the absolute value is its opposite: \[|-5|=5\]. So when we are dealing with a variable, we need to consider both cases.
In the given equation \[y=a|x-h|+k\]. x is a variable. Let m be the slope of the equation. slope \[m=a\]on the right side of the vertex that is \[x>h\]and slope \[m=-a\]on the left side of the vertex that is \[xAs per the given question, we have to find the vertex of an absolute value equation.
The vertex of an absolute value equation \[y=a|x-h|+k\] is \[(h,k)\].
We can find a vertex by looking at the equation that is \[(h,k)\].
For example, let us take an absolute value equation \[y=5|x-9|+3\].
The vertex of the above equation is \[(9,3)\].
Therefore, we can find vertex of an absolute value equation by looking at it that is \[(h,k)\] for \[y=a|x-h|+k\].
Note:
While solving these types of problems, we need to have enough knowledge of absolute value equations and their functions. While finding vertex check whether it is in the form \[y=a|x-h|+k\] or \[y=a|x-h|-k\]. Because the vertex changes for \[y=a|x-h|-k\] that is \[(h,-k)\]. We should avoid calculation mistakes to get the correct results.
Complete step by step answer:
Absolute value equations are equations where the variable is within an absolute value operator, like \[|x-3|=5\]. The absolute value of a number depends on the number's sign: if it is positive, it is equal to the number: \[|5|=5\]. If the number is negative, then the absolute value is its opposite: \[|-5|=5\]. So when we are dealing with a variable, we need to consider both cases.
In the given equation \[y=a|x-h|+k\]. x is a variable. Let m be the slope of the equation. slope \[m=a\]on the right side of the vertex that is \[x>h\]and slope \[m=-a\]on the left side of the vertex that is \[x
The vertex of an absolute value equation \[y=a|x-h|+k\] is \[(h,k)\].
We can find a vertex by looking at the equation that is \[(h,k)\].
For example, let us take an absolute value equation \[y=5|x-9|+3\].
The vertex of the above equation is \[(9,3)\].
Therefore, we can find vertex of an absolute value equation by looking at it that is \[(h,k)\] for \[y=a|x-h|+k\].
Note:
While solving these types of problems, we need to have enough knowledge of absolute value equations and their functions. While finding vertex check whether it is in the form \[y=a|x-h|+k\] or \[y=a|x-h|-k\]. Because the vertex changes for \[y=a|x-h|-k\] that is \[(h,-k)\]. We should avoid calculation mistakes to get the correct results.
Recently Updated Pages
Write any three differences between metals and nonmetals class 10 social science CBSE

Amit standing on a horizontal plane finds a bird flying class 10 maths CBSE

Two circles of radii 5 cm and 3 cm intersect at two class 10 maths CBSE

Solve the following i John and Jivanti together have class 10 maths CBSE

What is the relation between orthocenter circumcentre class 10 maths CBSE

Two plane mirrors are inclined at 70circ A ray incident class 10 physics CBSE

Trending doubts
Explain the Treaty of Vienna of 1815 class 10 social science CBSE

1 GB equals how many MB?

10 examples of evaporation in daily life with explanations

What is the full form of POSCO class 10 social science CBSE

Which is the hottest planet in the Solar system A Earth class 10 social science CBSE

Name any four life processes in living things class 10 biology CBSE

