Grade 8 Review

Which list shows the numbers in the table in order from greatest to least? (TEK 8.2D) 

• $\frac{2}{8},0.41,\frac{8}{9},67\%$

• $\frac{8}{9},0.41,67\%,\frac{2}{8}$

• $0.41,\frac{8}{9},67\%,\frac{2}{8}$

• $\frac{8}{9},67\%,0.41,\frac{2}{8}$

• $4\sqrt{3},6\ \frac{16}{20},\ 6.78$

• $6\ \frac{16}{20},\ 6.78,\ 4\sqrt{3}$

• $6.78,6\ \frac{16}{20},4\sqrt{3}$

• $4\sqrt{3},\ 6.78,\ 6\ \frac{16}{20}$

• $\left(x,y\right)\rightarrow\left(x-3,y-3\right)$

• $\left(x,y\right)\rightarrow\left(\frac{1}{3}x,\frac{1}{3}y\right)$

• $\left(x,y\right)\rightarrow\left(3x,3y\right)$

• $\left(x,y\right)\rightarrow\left(x+3,y+3\right)$

• $y=-2x-2$

• $y=\frac{1}{2}x-2$

• $y=2x+4$

• $y=-\frac{1}{2}x+4$

Noah invested $7,400 in an account at his bank.

The bank pays 5.2% interest compounded annually on this account. Noah makes no additional deposits or withdrawals.

Which amount is closest to the balance at the end of 6 years?

• $10,060.30

• $9,708.80

• 9,807.70

• 10,030.60

• $y=-3.25x+65$

• $y=-3.45x+55$

• $y=-3.35x+60$

• $y=-3.55x+65$

• -3

• -4

• 3

• 4

Which set of ordered pairs represents y as a function of x? (TEK 8.5G)

•  {(9, -5), (1, 4), (9, -4), (-5,-1)} 

•  {(-3, 6), (-6, 4), (-3, 9), (-2,-4)} 

• {(-8, 8), (-5, 3), (-8, 0), (-2,-1)} 

• {(1, 6), (0, 4), (2, -4), (3,-1)} 

Jesus invested $1,500 in an account that pays 2.8% annual simple interest. How much interest will Tony earn on his investment at the end of 3 years? (TEK 8.12D)

• $129

• $126

• $124

• $125

• -4

• 6

• -8

• 3