Grade 8 Math Proportional Relationships/Direct Variation

• $\left(A\right)\ \ y=\frac{1}{288}x$
  

• $\left(B\right)\ \ y=\frac{1}{72}x$

• $\left(C\right)\ \ y=72x$

• $\left(D\right)\ \ y=288x$

• A.

• B.

• C.

• D.

• A) 630 widgets per hour

• B) 708 widgets per hour

• C) 780 widgets per hour

• D) 1,365 widgets per hour

• A) 0.75 feet per week.

• B) 1.33 feet per week.

• C) -0.75 feet per week.

• D) -1.33 feet per week.

• $\left(A\right)\ \ -2$

• $\left(B\right)\ \ -\frac{1}{2}$

• $\left(C\right)\ \ \frac{1}{2}$

• $\left(D\right)\ \ 2$

• A) $6.50

• B) $7.75

• C) $7.35

• D) $8.25

Evaluate responses using AI:

OFF

• no

• yes; y = 8x

• no

• yes; y = 0.318x

• yes; y = 3.14x

• $\left(A\right)\ y=50x;\ 700\ pencils$

• $\left(B\right)\ y=\frac{1}{50}x;\ 0.28\ pencils$

• $\left(C\right)\ y\ =\ 0.02x;\ 28\ pencils$

• $\left(D\right)\ y=0.576x;\ 1000\ pencils$