Answer:
see below
Step-by-step explanation:
A discriminant value of zero means there is exactly one x-intercept. The graph below has that characteristic.
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<em>Comment on discriminant</em>
discriminant > 0, two (2) x-intercepts (first 2 graphs)
discriminant < 0, no (0) x-intercepts (third graph)
Answer:
Age of Grandma = 59 years.
Age of great Grandma = 81 years
Ages of Mother = 38 years
Age of Daughter = 15 years
Step-by-step explanation:
Given:
Total years they all lived = 193
We need to find the ages of all lady.
Solution:
Let the age of grandma be 'x'.
Now Given:
The daughter is 44 less than the grandma's age.
So we can say that;
Age of the Daughter =
The great-grandma is 22 more than the grandma's age.
So we can say that;
Age of the great grandma =
The mother is 80 less than twice the grandma's age.
So we can say that;
Age of the mother =
Now we can say that;
Total years they all lived is equal to sum of age of grandma, Age of the Daughter, Age of the great grandma, Age of the mother.
framing in equation form we get;
Adding both side by 102 we get;
Dividing both side by 5 we get;
Hence Age of Grandma = 59 years.
Age of great Grandma =
Ages of Mother =
Age of Daughter =
Answer:
3
Step-by-step explanation:
note that zeros and x-intercepts are the same with different names
There are 2 zeros from the quadratic factor and 1 from the linear factor.
To find them equate the function to zero, that is
(x² - x - 2)(3x - 2) = 0
(x - 2)(x + 1)(3x-2) = 0 ← factoring the quadratic
equate each factor to zero and solve for x
x - 2 = 0 ⇒ x = 2
x + 1 = 0 ⇒ x = - 1
3x - 2 = 0 ⇒ x =