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Svetllana [295]
3 years ago
11

Use your graph to estimate solutions to the equation x2-2x-1=0

Mathematics
1 answer:
garri49 [273]3 years ago
3 0

There are 2 real solutions to the equation.  Evaluate  the discriminant = 8.             Using the quadratic formula = What is on the picture.

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Which is the greatest common factor of 18 and 54?
Finger [1]
The greatest common factor of 18 and 54 is 18
4 0
3 years ago
Because of an increase of 4% in wholesale prices, a shoe store had to mark up its new stock by the same percent. What was the ne
Mamont248 [21]

Answer:the new price of the shoe is $5

Step-by-step explanation:

The price at which the shoe has been selling is $25.

Because of an increase of 4% in wholesale prices, a shoe store had to mark up its new stock by the same percent. The value of the 4% increase on the initial price of the shoe is

4/100 × 25 = 0.04 × 25 = $1

Therefore, the new price of the shoe would be

4 + 1 = $5

8 0
4 years ago
The vertices of a triangle are A(5,-4), B(7,0),and C(1,-2). If the triangle is a right triangle, which vertex is the right angle
Svet_ta [14]
When you plot the points to the graph, the right angle is point A.
5 0
4 years ago
3. The parents of a newborn girl want to invest $1000 in some kind of saving plan that their child could
andrew11 [14]

Answer:

A. 1000x75t=i

B. 1000(1+5%/n)^t

Step-by-step explanation:

i=prt     interest principle rate time

a=p(1+r/n)^t amount principle rate number of times interest is compound time

<em>Hope this helps.</em>

5 0
3 years ago
What is the equation of the line through (4, 5) and (0, -3)?
Hoochie [10]

Answer:

y= 2x-3

I hope this helps!

3 0
3 years ago
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