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Alex Ar [27]
3 years ago
5

Write an equation in standard form of the line that passes through (7, -3) and has a y intercept of 3.

Mathematics
2 answers:
SpyIntel [72]3 years ago
4 0
Y=mx+c
-3=7+c
-10=c
y=7x+c
jarptica [38.1K]3 years ago
3 0
Y = 7/-3x(<< write how you would write a fraction) + 3

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Write 3×3×3×3×5×5×5 in exponential form​
Sedbober [7]
3( to the power of 4) times 5(to the power of 3)
7 0
3 years ago
Read 2 more answers
HELP WILL MARK U BRAINLIEST
Tems11 [23]

Answer:

About 57238.562767982 meters

Step-by-step explanation:

7 0
3 years ago
Please help mee, (30 points will give brainliest!!!)
Vadim26 [7]

Answer:

-4

+3

12

-0.5, 12.25

x = -0.5

Step-by-step explanation:

The x intercepts are the values of x when y = 0 ie the roots of the equation
-x^2 -x +12 = 0

or

x^2  + x  - 12 = 0

We can re-write the above as:
(x+4) (x-3) = 0
This gives the two roots as x = -4 and x = +3. Leftmost (smallest) root is -4 and rightmost(largest) root is +3

y intercept is when x = 0. Plugging into the original equation, y value at x = 0 is 12

Vertex x value is given by the formula -b/2a where a is the coefficient of x^2 and b the coefficient of x

Here a = -1, b= -1 so vertex x value = - (-1)/(-1).2 = - 1/2 = -0.5

Plugging this value of x into the original function gives the vertex y value
y = - (0.5^{2}) - (-0.5) + 12\\= -0.25 + 0.5 + 12 = 12.25

The line of symmetry is the vertical line corresponding to the vertex x value so line of symmetry is at x = -0.5

The graph of the quadratic function shows these values

3 0
2 years ago
Use elimination to solve each system of equations.<br><br> 1. 3x+4y=29<br> 6x+5y=43
kakasveta [241]

Answer:

Step-by-step explanation:

3x+4y=29 .......(1)

6x+5y=43 .......(2)

Multiply equation (1) by 2

6x + 8y = 58......(3)

Substracting (2) from (3)

8y - 5y = 58 - 43

3y = 15

Dividing by 3

3y/3 = 15/3

y = 5

Substituting y = 5 into (2)

6x+5y=43

6x + 5(5) = 43

6x + 25 = 43

6x = 43 - 25

6x = 18

Dividing by 6

6x/6 = 18/6

x = 3

4 0
3 years ago
Which of the following inequalities is equivalent<br> to -31 + 12s &lt;3s + 15 ?
Travka [436]

Answer:

 -31+12s

Step-by-step explanation:

3 0
3 years ago
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