9. A quadratic function g(x) passes through the points (-8, 33), (2, 1), and (8, 1).
1 answer:
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Answer:
Price of each muffin = $1.25
Price of each granola bar = $1.6
Step-by-step explanation:
Group 1:
6 muffins, 12 granola bars
Total money paid = $26.70
Group 2:
8 muffins, 15 granola bars,
Total money paid = $34.00
To find:
Price of each item?
Solution:
Let the price of one muffin = $
Let the price of one granola bar = $
As per group 1, the equation can be written as:
As per group 2, the equation can be written as:
.... (2)
Let us use elimination method to solve for and
.
Multiplying equation (1) with 8 and subtracting (2) from it:
Using equation (1):
Therefore, the answer is:
Price of each muffin = $1.6
Price of each granola bar = $1.25
Complex numbers are divided into two parts; real and imaginary parts. The value of Z3 is
Given that:
Since O is the origin, then:
This means that:
So, we have:
Collect like terms
Hence, complex number Z3 is
Read more about complex numbers at: