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zlopas [31]
3 years ago
5

How many solutions are there to the quadratic equation

Mathematics
1 answer:
Ray Of Light [21]3 years ago
8 0

Answer:

2

Step-by-step explanation:

(-7)^2  -  4*3 *(-2) =   49 + 24  >0

discriminant is positive so 2 real roots

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Find the equation of a line that passes through the point (2,-5) and is perpendicular to the y-axis. Do not put any spaces in yo
Allushta [10]

Answer:

<em>y=-5</em>

Step-by-step explanation:

<u>Equation of the line</u>

Lines can be expressed in several forms. The slope-intercept form of the line is:

y = mx + b

Where m is the slope of the line and m is the y-intercept.

If the line is perpendicular to the y-axis, then it's a horizontal line. Horizontal lines have slope m=0, thus, the equation is:

y = b

To find the value of b, just substitute the given point:

-5=b

The equation of the line is:

y=-5

3 0
2 years ago
Complete the equation so that it is
Setler [38]

Answer:

Any number other than 2

Step-by-step explanation:

Well if we plug in any number other than 2 like 1  for the blank and distribute,

the right side becomes,

3x + 6 = 3x + a number other than 6

Parallel lines have the same slope but different y intercept.

Look at the image below ↓

<em>Thus,</em>

<em>to make the equation have no solution the blank has to be any number other than 2.</em>

<em />

<em>Hope this helps :)</em>

8 0
3 years ago
Find the value of the formula using the numbers given <br> B=8x+9b when b=1.25 and x=2.25
Pavlova-9 [17]

Answer:

29.25

Step-by-step explanation:

(8 x 2.25) + (9 x 1.25)

18 + 11.25

29.25

i hope this helps

4 0
3 years ago
I need help with problem five
elena55 [62]
We know that quadrilateral shapes(which this is) have angles that add up too 360. We know the angles 110, 50 and 90. Add them together and you get 250. 360-250=110
X=110
8 0
2 years ago
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Daniel received $150 for his birthday this year. this was $10 less than half the amount he received last year. How much money di
4vir4ik [10]

Answer:

He received $320 last year

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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