1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Rama09 [41]
3 years ago
15

What is the equation of the linear function written in slope-intercept form?

Mathematics
1 answer:
-Dominant- [34]3 years ago
3 0

Answer:

<h2>f(x) = -3x - 1</h2>

Step-by-step explanation:

The slope-intercept form of an equation of a line:

f(x)=mx+b

<em>m</em><em> - slope</em>

<em>b</em><em> - y-intercept, (0, b)</em>

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

From the graph we have two points <em>A(-1, 2)</em> and <em>B(0, -1) → b = -1</em>.

Calculate the slope:

m=\dfrac{-1-2}{0-(-1)}=\dfrac{-3}{1}=-3

Finally:

f(x)=-3x-1

You might be interested in
Solve by elimination:<br> 4x+9y=28<br> -4x-y=-28
nikdorinn [45]

Step-by-step explanation:

4x+9y=28

-4x-y=-28

8y=0

divide both side by 8

y=0

solve for X in equation 1

4(X)-9(0)=28

4x-0=28

4x =28

divide both side by 4

4x/4=28/4

X= 7

y=0,x=7

4 0
3 years ago
an architect wants to build three similar triangles such that the ratio of the middle triangle. The smallest one has side length
vampirchik [111]

Answer:  15

<u>Step-by-step explanation:</u>

small:     5     12      13

middle:  __   36     39

large:    45   108    117

Notice that to get from the small to the large, multiplied by 9

5(9) = 45    12(9) = 108    13(9) = 117

That is because the sides are proportional \dfrac{5}{45}=\dfrac{12}{108}=\dfrac{13}{117}\rightarrow\dfrac{1}{9}

To get from small to middle, multiply by 3  

5(3) = 15     12(3) = 36    13(3) = 39

To solve it using proportions:

\dfrac{5}{x}=\dfrac{12}{36}\\\\\\\text{Cross Multiply and solve for x:}\\5(36)=12x\\\\\dfrac{5(36)}{12}=x\\\\5(3)=x\\\\\large\boxed{15}=x

7 0
3 years ago
The product of 1 1/2 and 2 is
Over [174]

Method 1:

Convert the mixed number to the improper fraction:

1\dfrac{1}{2}=\dfrac{1\cdot2+1}{2}=\dfrac{3}{2}

Make the product:

1\dfrac{1}{2}\cdot2=\dfrac{3}{2}\cdot2

<em>canceled 2</em>

=\dfrac{3}{\not2_1}\cdot\not2^1}=\boxed{3}

Method 2:

1\dfrac{1}{2}=1+\dfrac{1}{2}

1\dfrac{1}{2}\cdot2=\left(1+\dfrac{1}{2}\right)\cdot2

<em>use the distributive property a(b + c) = ab + ac</em>

(1)(2)+\left(\dfrac{1}{2}\right)(2)=2+1=\boxed{3}

7 0
3 years ago
Please help Im so confused!
mars1129 [50]

His mistake was adding 12+2 when he was supposed to subtract.

8 0
2 years ago
What's the percent of 18?
Harman [31]
18% = 18 / 100 = 0.18;
4 0
3 years ago
Other questions:
  • Find area of shaded region. Round to the nearest tenth need help ASAP
    6·2 answers
  • Solve for z 7z &lt; 21 z=
    5·1 answer
  • Find the equation of the line that is perpendicular to the x-axis and passes through the point (-14,5). Give the full equation a
    10·1 answer
  • Person A can paint the neighbors house 2 times as fast as Person B. The year A and B worked together, it took them 2 days. How l
    15·1 answer
  • Which solid has one base that is a triangle and three lateral surfaces that are triangles?
    15·2 answers
  • Please help due tomorrow
    14·1 answer
  • What is 6 over the square root of 8
    5·1 answer
  • The length of a rectangle is 3 inches more than its width, and its perimeter is 22 inches. Find the width of the rectangle.
    14·1 answer
  • Find the value of x.<br><br> HELP!!!! I WILL GIVE BRAINLIEST ANSWER!!! <br> POINTS!!!
    11·1 answer
  • Renata moved to her new home a few years ago. Back then, the young oak tree in her back yard was 190 centimeters tall. She measu
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!