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eduard
3 years ago
9

Which figure correctly demonstrates using a straight line to determine that the graphed equation is not a function of x? HELP PL

ZZZZZZZZZZZZZZZZZZZZZZZZZZ the question is at the top and the choices are the attachments THX SO MUCH TO WHO EVER FIGURES THIS OUT.

Mathematics
2 answers:
Nadya [2.5K]3 years ago
8 0

Answer:

Lower left.

Step-by-step explanation:

To determine if a graph is a function the "vertical line test is used.  If any point on a graph has one x value go to two y values it is not a function.  

Witht he four pictures, the two on the right use a horizontal line, so it doesn't tell at all, on the leftthe upper one is vertical but it doesn't show that one x value has two corresponding y values.  So it must be the lower left one.

The lower left picture has a line at x=1, and it passes through the line of the graph at two different y values, 4 and -4.  So this has two y values with one x value.

pantera1 [17]3 years ago
4 0

Answer:

I believe the graph with the line going through 1,0 (x,y) is correct because it doesnt pass the vertical line test

Step-by-step explanation:

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4. which algebraic expression is a polynomial with a degree of 2? 4x3 − 2x 10x2 − 8x3 3 6x2 − 6x 5
CaHeK987 [17]
ANSWER

The algebraic expression that is a polynomial with a degree of 2 is
6 {x}^{2}  - 6x + 5



EXPLANATION

The degree of a term of a polynomial is the total sum of the exponents of the variables in each term.


The highest degree of the polynomial is considered the degree of the polynomial.



For first option,
4 {x}^{3}  - 2x + 10
the highest degree is 3.



The second option is,
{x}^{2}  - 8 {x}^{3}  + 3
This polynomial also has a degree of 3.



The third option is,
6 {x}^{2}  - 6x + 5
This last option has a degree of 2.


Therefore the correct answer is option C.
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2 years ago
What does congruent mean
AysviL [449]

Answer:

If two figures have the same size and shape, then they are congruent. so if they have the same shape and size even if they are flipped or mirrored they are congruent.

Step-by-step explanation:

The term congruent is often used to describe figures like this, the pictire below. if you look up congruent shapes and look at many examples that will definitely help you understand alot more better what congruent means.

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3 years ago
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