4 years ago

Solve by graphing x^2=10x

Mathematics

1 answer:

Finger [1]4 years ago

4 0

Y=9x to the second power

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Which graphs form a function? (Choose all that apply)

ddd [48]

A and D
To find it out on a graph is the line test
Draw a line going up and down and if it only passes the line once it’s a function but if it touches the line more then once it is not

3 0

3 years ago

Consider u = ⟨5, –2⟩ and v = ⟨10, –4⟩. what is the relationship between u and v?

Nadusha1986 [10]

Answer:

v = 2u

Step-by-step explanation:

note that

2u = 2 (5, - 2 ) ← multiply each component by 2

= (10, - 4) = v , then

v = 2u

8 0

2 years ago

Which of the following points lies on the graph of y = x 2 - 2x + 6? (-3, 21) (-2, 0) (-1, 10)

gulaghasi [49]

Answer:

$\textbf{None of them. }\\$

Step-by-step explanation:

$\textup{\textbf{For the points to be on the graph substitute for $x$ and $y$ and check for equality.}}\\\textup{The function given is:}\\$$ x^2 + 2x + 6 $$ \\\textup{Let us check for $(-3,21)$}\\$

$$ i.e., {(-3)}^2 + 2(-3) + 6 = 9 \ne 21 $\\\textup{That means the point is not on the graph.}\\\textup{Similarly, for $(-2,0)$ we see that}\\$ {(-2)}^2 + 2(-2) + 6 = 6 \ne 0 $\\\textup{Similarly check for $(-1,10)$ to find out that it isn't satisfied as well.}\\$