What is the same as moving the decimal point 3 places to the right in a decimal point.
2 answers:
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Answer:
Step-by-step explanation:
step 1
we have the points
(-1,0), (-2,0), and (0,2)
Plot the points
using a graphing tool
see the attached figure
The graph of a quadratic function must be a vertical parabola open upward
The vertex is a minimum
The quadratic function in general form is equal to
Substitute the value of x and the value of y of each given ordered pair in the general equation and solve for a,b and c
(0,2)
For x=0, y=2
substitute
(-1,0)
For x=-1, y=0
substitute
---->
----> equation A
(-2,0)
For x=-2, y=0
substitute
----> equation B
we have the system
----> equation A
----> equation B
substitute equation A in equation B
solve for b
Find the value of a
therefore
The quadratic function in general form is equal to
see the attached figure N 2 to better understand the problem
Answer:
$3355
Step-by-step explanation:
Since the job offers starting salary of $2200 and monthly raise of $105 during his first year of training.
∴ a = 2200 and d = 105
Since the general form of A.P is,
a, a + d, a + 2d, a + 3d, .............
Where, is the last term of A.P or his monthly salary at the end of his training and n is the number of terms in a series.
So, the A.P is:
2200, 2200 + 105, 2200 + 2(105) .........
2200, 2305, 2410 ............
Since there is 12 month in a year therefore, n = 12.
. = 2200 + ( 12 - 1) × 105
= 2200 + 11 × 105
= 2200 + 1155
= 3355
∴ . = 3355
So the monthly salary of Jose at the end of his training is 3355$.