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blondinia [14]
3 years ago
5

X^2-49=0 solve using the quadratic formula plz help asap

Mathematics
1 answer:
AVprozaik [17]3 years ago
5 0
Add 49 take the square root, answer is +-7
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Liula [17]

Answer:

I believe it's C, 0.4 x 0.7

Step-by-step explanation:

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3 years ago
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How many solutions does the following equation have?
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Step-by-step explanation:

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3 years ago
Find the missing value given (-1,7)(-3,d) m= 6 HELP ASAP WILL MAKE BRAINLEST
-Dominant- [34]

Answer:

d= -5

Step-by-step explanation:

The slope of a line is found by finding the ratio of change is y values to change is x values

m=y_2-y_1/x_2-x_1

The points on the line have coordinates at: (-1,7) (-3,d)

where ;

y_2=d, y_1=7,x_2=-3,x_1=-1,m=6

Applying the formula with values as;

6=\frac{d-7}{-3--1} \\\\6=\frac{d-7}{-3+1} \\\\6=\frac{d-7}{-2} \\\\6*-2=d-7\\\\-12=d-7\\\\-12+7=d\\\\-5=d

The value of d = -5

The coordinates of the points  (-1,7) (-3,-5)

6 0
3 years ago
Is the function y = -7 a linear function?
dmitriy555 [2]
<h3>Answer: Yes it is linear.</h3>

Explanation:

The given equation is the same as y = 0x - 7. It matches the form y = mx+b which is slope intercept form of a linear equation.

The slope m = 0 always applies to horizontal lines. All points on this line have a y coordinate of -7.

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Molodets [167]

Answer:

x = (125,0)    y = (0,275)

Step-by-step explanation:

I think this is right, good luck!

5 0
2 years ago
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