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scoundrel [369]
3 years ago
11

Write an equation of the line shown in each graph

Mathematics
1 answer:
Sophie [7]3 years ago
5 0
1.) y=1/3x+2
2.) y=2/3x+2
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20 points
blsea [12.9K]
The answer I think is 2+7+0.15x_>15
6 0
3 years ago
Read 2 more answers
The quadratic equation 2x^2 + bx + 18 = 0 has a double root. Find all possible values of b.
Doss [256]
When a quadratic equation ax^2+bx+c has a double root, the discriminant,
D=b^2-4ac=0
Here 
a=2,
b=b,
c=18
and 
D=b^2-4ac=b^2-4*2*18=0 
solve for b
b^2-144=0
=> b= ± sqrt(144)= ± 12

So in order that the given equation has double roots,  the possible values of b are ± 12.
4 0
3 years ago
Find the slope of the line passing through each of the following pairs of points.
BARSIC [14]

Look carefully at the first pair:  (−3, 9), (−3, −5)  Note that x does not change, tho' y does.  This is how we recognize a vertical line (whose slope is undefined).  The equation of this vertical line is x = -3.

Looking at the second pair:  from (3,4) to (5,6), x increases by 2 and y by 2; thus, the slope is m = rise/run = 2/2 = 1.

Third pair:  as was the case with the first pair, x does not change here, and thus the equation of this (vertical) line is x=0 (which is the y-axis).  The slope is undefined.

5 0
3 years ago
Value of 8 <br> in 1,283,479
Nutka1998 [239]

Answer:

80,000

Step-by-step explanation:

Since 8 is 4 spaces to the left, it’s in the 10,000’s range, making it 80,000

6 0
2 years ago
Which of the following are mathematical sentences? Check all that apply.
Paraphin [41]
A, C, E

any mathematical expression that then includes an equal sign becomes a sentence or equation
5 0
3 years ago
Read 2 more answers
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