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IRINA_888 [86]
3 years ago
12

What is the standard form equation of the line shown below?

Mathematics
1 answer:
ch4aika [34]3 years ago
3 0
(-1,1)(1,4)
slope = (4 - 1) / (1 - (-1) = 3/(1 + 1) = 3/2

y = mx + b
slope(m) = 3/2
use either of ur points....(1,4)...x = 1 and y = 4
now sub and find b, the y int
4 = 3/2(1) + b
4 = 3/2 + b
4 - 3/2 = b
8/2 - 3/2 = b
5/2 = b

equation is y = 3/2x + 5/2...but we need it in standard form

y = 3/2x + 5/2
-3/2x + y = 5/2.....multiply both sides by -2
3x - 2y = -5 <==== ur standard form equation
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Create an equation with one solution of x = −4.
katen-ka-za [31]

Answer:

What is missing is -5x - 20

Step-by-step explanation:

To find this, simply solve for the parenthesis as if it were a variable of its own. This will allow you to see exactly what is missing.

8x - (x - 20) = 2x - (_______)

8x - x + 20 = 2x - (_______)

7x + 20 = 2x - (_______)

5x + 20 = - (_______)

-5x - 20 = (_______)

So the answer for the parenthesis is -5x - 20

3 0
3 years ago
Match each operation involving f(x) and g(x) to its answer.
galben [10]
F(x)=1-x² and g(x)=√(11-4x)

(g+f)(2)=>

 1-(2)²+√(11-4(2))

=√3-3

(f/g)(-1)

(1-(-1)²)/(√(11-4(-1))

=0

(g-f)(-1)

√(11-4*-1)-(1-(-1)²

=√15

(g×f)(2)

1-(2)²×√(11-4(2))

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8 0
3 years ago
In a choir, the ratio of boys to girls is 5 to 6. There are 10 boys in the choir. What is the total number of boys and girls in
lidiya [134]

Answer:

22

Step-by-step explanation:

Boys to Girls

5 to 6

10 to ?

Since 10 is twice as much as 5, we have to multiply the number of girls by 2. 6 times 2 is equal to 12. Then, since we need to find the total number of boys and girls, we have to add both sides. 10 (boys) plus 12 (girls) equals 22.

5 0
2 years ago
Read 2 more answers
Please help me with this probability problem.
Airida [17]

Answer:

0.278

Step-by-step explanation:

5 + 4 = 9

\frac{5}{9} * \frac{4}{8} = 0.2777...

Try to do the others on your own using the information I gave you.

6 0
3 years ago
The slopes of perpendicular line segments are 1/3 and d/5. What is the value of d
a_sh-v [17]
If 2 lines (or line segments) are perpendicular, then the product of their slopes is equal to -1.

Thus, since the given line segments are perpendicular, we have:

             \displaystyle{  \frac{1}{3}\cdot  \frac{d}{5}=-1.

Multiplying both sides of the equation by 15, we get d=-15.


Answer: d=-15
4 0
3 years ago
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