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NemiM [27]
3 years ago
15

Which equation could be solved using the graph above?

Mathematics
1 answer:
Oduvanchick [21]3 years ago
6 0

Answer:

Option b is the correct answer

Step-by-step explanation:

The graph in the picture is the graph of a quadratic equation and it takes the shape of a parabola.

The points on the x axis through which the parabola cuts across is used to determine the solution of the quadratic equation.

Looking at the parabola formed from the plotted points, it cuts the x axis at

x = -1 and x= -2

These are the factors of the equation. To get the equation, we multiply the factors.

x= -1, x +1 = 0

x =-2 , x + 2= 0

The equation is (x+1)(x+2)

Expanding the brackets,

x×x + x×2 +1×x + 1×2

= x^2 + 2x + x +2

= x^2 + 3x +2 = 0

Option b is the correct answer

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lisabon 2012 [21]

Answer:

Half way

Step-by-step explanation:

Half way, because the dog can run all the way through the woods, but only half of the time he is going in, the rest of the time he is going out.

3 0
3 years ago
A line passes through the points (3,18) and (6,21). Write an linear function rule in terms of x and y for this line.
statuscvo [17]
Slope is rise over run so

(21-18)/(6-3), 3/3=1, slope is 1

plug in to find b value

18=3+b, b=15

ANSWER: y=x+15
3 0
2 years ago
A student said that since –9 is less than 4, then |–9| is less than |4|. Is the student correct? Explain why or why not
Leno4ka [110]
The student is not correct.

Absolute value means distance from zero
|-9| = 9
|4| = 4

Since 9 is greater than 4,
|-9| is greater than |4|

In other words, -9 is further from zero then 4
5 0
3 years ago
HELPPPPPP<br><br> what is x minus 1 x-1
Evgesh-ka [11]

Answer:

-1

Step-by-step explanation:

x - 1x - 1

1x = x

x - x -1

x - x = 0

0 - 1 = -1

-1

3 0
3 years ago
Jim bought a fishing rod for $42. This price was 70% of the original price. What was the original price?
Dmitry [639]

Answer:

54.6

Step-by-step explanation:

42 =  70%

100% - 70% = .30%

42 x 1.3 = 54.6

 

5 0
3 years ago
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