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m_a_m_a [10]
1 year ago
7

I need some help to tell whether a table is a linear or non linear function

Mathematics
1 answer:
Doss [256]1 year ago
6 0

A linear equation has the form:

y=mx+b

Let's find a linear equation using the table, and let's check if it satisfy all the points:

\begin{gathered} x=0,y=-1 \\ -1=b \\ ------ \\ x=1,y=1 \\ 1=m+b \\ 1=m-1 \\ m=2 \end{gathered}

so:

y=2x-1

Let's check the other points:

\begin{gathered} x=-3 \\ y=2(-3)-1=-6-1=-7_{\text{ }}True \\ ------ \\ x=-2 \\ y=2(-2)-1=-4-1=-5_{\text{ }}True \\ ------ \\ x=-1 \\ y=2(-1)-1=-2-1=-3_{\text{ }}True \end{gathered}

Therefore, we can conclude it is a linear function.

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Which expression is the product of (x + 4i)(x − 4i)(x + 4)?
Sophie [7]
Answer= x³+4x²+16x+64

Expand the following:(x + 4 i) (x - 4 i) (x + 4)
(x - 4 i) (x + 4) = (x) (x) + (x) (4) + (-4 i) (x) + (-4 i) (4) = x^2 + 4 x - 4 i x - 16 i = -16 i + (4 - 4 i) x + x^2:
-16 i + (-4 i + 4) x + x^2 (4 i + x)
 | | | | x | + | 4 i
 | | x^2 | + | (4 - 4 i) x | - | 16 i
 | | | | (-16 i) x | + | 64
 | | (4 - 4 i) x^2 | + | (16 + 16 i) x | + | 0
x^3 | + | (4 i) x^2 | + | 0 | + | 0
x^3 | + | 4 x^2 | + | 16 x | + | 64:
Answer: x^3 + 4 x^2 + 16 x + 64
7 0
3 years ago
Read 2 more answers
Jolinda scored 21 points during her basketball game. Her team scores a total of 28 points. What fraction of the team's points do
Natalka [10]

Answer:3/4


Step-by-step explanation:

if you divide 21 by 28 you get 3/4

3 0
3 years ago
Write the number as hundredths in fraction form and decimal form. 9/10
Agata [3.3K]
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hope this helped!!
3 0
3 years ago
HELP!!! I will give brainliest, 25 points!!
kirza4 [7]

Cards = x

Bouquets = y

They spend 2 on each card so 2x and 3.50 for each bouquet so 3.50y add those together to get the total they can spend 2x + 3.50y = 360

Then add the sales together: 6x + 8y = 900

Answer: D. 2x + 3.50y = 360; 6x + 8y = 900

6 0
3 years ago
What is the answer can you help me plz
erastova [34]

Answer:

\frac{1}{5^{7}}

Step-by-step explanation:

\frac{5^{-4}}{5^{3}} = \frac{1}{5^{7}}

6 0
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