7RP, 7NS, + 7EE Review

Which equation is correct?

• $-1\cdot-1=-1$

• $1\cdot1=-1$

• $-1\cdot-1=1$

• $1\cdot-1=1$

Which expression is equivalent to $-\frac{96}{5}$ ?

• $\frac{96}{-5}$

• $\frac{-96}{-5}$

• $-\left(\frac{-96}{5}\right)$

• $-\left(\frac{96}{-5}\right)$

A puppy weighs 2 pounds at birth and 5 pounds when one month old. What is the percent increase in weight for the month?

• 50%

• 140%

• 150%

• 350%

What is the decimal equivalent of $\frac{18}{11}$ ?

• $0.6\overline{3}$

• $0.\overline{63}$

• $1.6\overline{3}$

• $1.\overline{63}$

A jeweler makes earrings at a proportional rate, as shown in the graph.

Which statement about the point (1, 2) on the graph is true?

• The point (1, 2) represents the fact that the jeweler makes one earring each hour.

• The point (1, 2) represents the fact that the jeweler makes two earrings each hour.

• The point (1, 2) represents the fact that the jeweler takes one hour to make one earring.

• The point (1, 2) represents the fact that the jeweler takes two hours to make one earring.

A jeweler makes earrings at a proportional rate, as shown in the graph.

Which statement about the point (0, 0) on the graph is true?

• The point (0, 0) represents the fact that the jeweler works no hours, no earrings are made.

• The point (0, 0) represents the fact that the jeweler works one hour, no earrings are made.

• The point (0, 0) represents the opening date of the jeweler's business.

• The point (0, 0) represents the age at which the jeweler started making earrings.

The table shows two linear expressions.

Which expression is the result of Expression 2 being subtracted from Expression 1?

• $19.6x+2.1y+13$

• $19.6x-2.1y+6.2$

• $-19.6x+2.1y-6.2$

• $-19.6x-2.1y+13$

A student plays a review game in class and has 53 points at the beginning of class. In which scenario will the student have the same number of points as the beginning of class?

• The student answers a question correctly and wins 23 points, then answers a question incorrectly and loses 23 points.

• The student answers a question correctly and wins 53 points, then skips a turn, earning 0 points.

• The student answers a question incorrectly and loses 28 points, then answers a question correctly and wins 25 points.

• The student answers a question incorrectly and loses 53 points, then skips a turn, earning 0 points.

Which expression is equivalent to $\left(\frac{7}{3}x+5y\right)+\left(-4y+2\right)$ ?

• $\frac{7}{3}x+y+2$

• $\frac{7}{3}x-y+2$

• $3\frac{1}{3}xy+2$

• $5\frac{1}{3}xy$

What is the decimal equivalent of $\frac{-18}{15}$ ?

• $-1.2$

• $-1.3$

• $-1.5$

• $-1.6$