Use (-4,3) as (X1,Y1) and (-1,-7) as (X2,Y2)
Enter the values into the slope formula

34

Step-by-step explanation:

i

Step-by-step explanation:

Let's use the slope formula to find the slope of the line that goes through the points (2,1)(2,1)left parenthesis, 2, comma, 1, right parenthesis and (4, 7)(4,7)left parenthesis, 4, comma, 7, right parenthesis.

Step 1: Identify the values of x_1x

1

x, start subscript, 1, end subscript, x_2x

2

x, start subscript, 2, end subscript, y_1y

1

y, start subscript, 1, end subscript, and y_2y

2

y, start subscript, 2, end subscript.

x_1 = 2x

1

=2x, start subscript, 1, end subscript, equals, 2

y_1 = 1y

1

=1y, start subscript, 1, end subscript, equals, 1

x_2 = 4x

2

=4x, start subscript, 2, end subscript, equals, 4

y_2 = 7 y

2

=7        y, start subscript, 2, end subscript, equals, 7, space, space, space, space, space, space, space, space [Explain]

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

cosine

step-by-step explanation: