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anygoal [31]
3 years ago
13

Find the slope of the equations:

Mathematics
1 answer:
Serggg [28]3 years ago
4 0
3.        2x - y = 10
    2x - 2x - y = -2x + 10
                 -y = -2x + 10
                 -1         -1
                   y = 2x - 10
   Slope: 2

4.        5x - 2y = 10
    5x - 5x - 2y = -5x + 10
                 -2y = -5x + 10
                  -2          -2
                    y = 2.5x - 5

5.    y - y₁ = m(x - x₁)
    y - (-2) = -3(x - (-1))
       y + 2 = 3(x + 1)
       y + 2 = 3(x) + 3(1)
       y + 2 = 3x + 3
           - 2         - 2
             y = 3x + 1
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Rico walked for 3/10 mile. Then he walked for 24/100 mile. How far did he walk in all?
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Which statement is true about the function f(x)= StartRoot negative x EndRoot?
UNO [17]

Answer:

The domain of the graph is all real numbers less than or equal to 0

Step-by-step explanation:

we have the function

f(x)=\sqrt{-x}

we know that

The radicand must be positive

so

-x \geq 0

Solve for x

Multiply by -1 both sides

x\leq 0

The domain is the interval ------> (-∞,0]

All real numbers less than or equal to zero

The range of the function is the interval -----> [0,∞)

f(x)\geq 0

see the attached figure to better understand the problem

All real numbers greater than or equal to zero

<em><u>Verify each statement</u></em>

case 1) The domain of the graph is all real numbers

The statement is false

Because, the domain is all real numbers less than or equal to zero

case 2) The range of the graph is all real numbers

The statement is false

Because, the range is all real numbers greater than or equal to zero

case 3) The domain of the graph is all real numbers less than or equal to 0

The statement is true

case 4) The range of the graph is all real numbers less than or equal to 0

The statement is false

Because, the range is all real numbers greater than or equal to zero

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