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vodka [1.7K]
2 years ago
13

Find the y-intercept for the parabola defined by this equation: y=2x2+x−1

Mathematics
1 answer:
Natalija [7]2 years ago
7 0

Answer:

(0, -1)

Step-by-step explanation:

The c value of the equation represents the y-intercept. c=-1 so the y-intercept must be (0,-1)

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What is three-fourths of 1,968
lara31 [8.8K]
All you have to so is divide 1968 by 4.

1968 ÷ 4 = 496.5 = 1/4


Now multiply 496.5 by 3 =  1, 489.5 = 3/4


I hope this helps! :_
7 0
3 years ago
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Find the slope of the line that passes through each pair of points
lyudmila [28]

Answer:

-1

Step-by-step explanation:

The slope of the line can be found by

m = (y2-y1)/(x2-x1)

    = (-2-1)/(1--2)

     =-3 /(1+2)

      =-3/3

       -1

3 0
3 years ago
1) Find the inverse function of f(x)=1/2x+3
dexar [7]
 y = 1/2x + 3
change x and y

x = 1/2y + 3
now find the value of y and that is inverse function 

x - 3 =1/2 y
y = 2x- 6
 
f-(x) = 2x - 6
<u />

for both domain : ( - ∞ , + ∞ )

range f (x) : ( - ∞ , + ∞ )  - { 0 }
range f-(x) :( -∞ , +∞)
8 0
3 years ago
Read 2 more answers
Please show your work! :)))
Naddika [18.5K]

Answer:

-8 3/4

Step-by-step explanation:

1. Simplify it.

15 - 24 + 1 divided by 4

2. Divide.

15 - 24 + 1/4

3. Add and subtract.

-9 + 1/4

-8 3/4

3 0
3 years ago
Can someone help me I need help quickly!!!
mojhsa [17]

Answer:

c 0.269

Step-by-step explanation:

2x3=6 2x6=18 3x6=24 so its non repeating here i bless the eyes

7 0
3 years ago
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