Answered

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if a trend line had the equation [tex]y = - 2.1x + 0.43[/tex]what y value would you expect to obtain when x has the following values:a. 15b. 0c. 4.5d. 7.1

If A Trend Line Had The Equation Texy 21x 043texwhat Y Value Would You Expect To Obtain When X Has The Following Valuesa 15b 0c 45d 71 class=

Sagot :

hello

to solve this question, we just need to imput the value of x and solve the equation to get y

a. when x = 15

the equation is

[tex]\begin{gathered} y=-2.1x+0.43 \\ x=15 \\ y=-2.1(15)+0.43 \\ y=-31.07 \end{gathered}[/tex]

when x = 0

[tex]\begin{gathered} y=-2.1x+0.43 \\ x=0 \\ y=-2.1(0)+0.43 \\ y=0.43 \end{gathered}[/tex]

when x = 4.5

[tex]\begin{gathered} y=-2.1x+0.43 \\ x=4.5 \\ y=-2.1(4.5)+0.43 \\ y=-9.02 \end{gathered}[/tex]

when x = 7.1

[tex]\begin{gathered} y=-2.1x+0.43 \\ x=7.1 \\ y=-2.1(7.1)+0.43 \\ y=-14.48 \end{gathered}[/tex]

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