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svp [43]
3 years ago
11

How do I graph this equation? y = -7/3x + 2

Mathematics
1 answer:
Molodets [167]3 years ago
5 0
I can think of two ways to do it.

Way #1:

-- Pick a number.
   Write it in place of 'x', and calculate the value of 'y'.
   Call these 'x₁' and 'y₁'.

-- Pick another number.
   Write it in place of 'x', and calculate the value of 'y'.
   Call these 'x₂' and 'y₂'.

-- On your graph, mark little dots at the points (x₁, y₁) and (x₂, y₂).

-- With your ruler and pencil, draw a straight line between the two dots.
   Then extend it as far as you want to in each direction.

The line you drew is the graph of the equation.  
________________________________________

Way #2:

-- Looking at the equation, you realize that the slope of the graph is -7/3,
   and its slope is 2 .  Use this powerful information to draw the graph.

-- Mark a little dot on the y-axis, at the point where  y = 2 .

-- From that point, move your eyes 7 units to the right, then 3 units down,
   and mark a little dot where you land.

-- With your ruler and pencil, draw a straight line between the two dots.
   Then extend it as far as you want to in each direction.

The line you drew is the graph of the equation.  
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In the following exercises, multiply the binomials. Use any method.<br> 255. (a + b)(2a + 3b)
Alex_Xolod [135]

Answer:

Hence the expression $$(a+b)(2a+3b)=2a^2+5ab+3b^2$$

Step-by-step explanation:

Explanation

  • The given expression is (a + b)(2a+3 b).
  • We have to multiply the given expression.
  • Multiply the (a + b) by 3b, multiply the (a + b) by 2a then add like terms.

$$\begin{matrix}{} & {} & {} & {} & a & + & b \\ \times & {} & {} & {} & 2a & + & 3b \\ \end{matrix}$$

___________________

$$\begin{matrix}{} & {} & {} & {} & 3ab & + & 3{{b}^2} \\ {} & {} & 2{{a}^2} & + & 2ab & {} & {} \\ \end{matrix}$$

___________________

$$\begin{matrix}{} & {} & 2{{a}^2} & + & 5ab & + & 3{{b}^2} \\ \end{matrix}$$

7 0
1 year ago
Can you help me with this equation???
baherus [9]
ONP=43 degrees
LNO=137 degrees
MNP=137 degrees

A straight line equals 180 degrees, so the angles need to add up to that amount. Hope this helps!
5 0
3 years ago
What is 1.43 as a mixed number
denpristay [2]
143 over 100 Would be an examaple of a mixed number would just fine.
8 0
3 years ago
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Which function in vertex form is equivalent to f(x) = x2 + 8 – 16x? f(x) = (x – 8)2 – 56 f(x) = (x – 4)2 + 0 f(x) = (x + 8)2 – 7
kkurt [141]

Answer:

f(x) = x² + 8 - 16x

= x² - 16x + 8

= (x² - 16x + 64) - 64 + 8

= (x + 8)² - 56

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The volleyball team at West View High School is comparing T-shirt companies where they can purchase their
lara [203]

The volleyball team would need to purchase 10 shirts for a total of $105 for the cost to be equal.

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