Perform the operations, $100-3(7-5)$.

A. $194$

B. $94$

C. $64$

D. $674$

E. $74$

A. $194$

B. $94$

C. $64$

D. $674$

E. $74$

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# Month: June 2018

## Distractor

## Solution Steps

## LaTex Array

## Pre-definer

## LaTex Coder

## Conditioner

## For-Commando

## Talker

## plotter

## transformer

CAFA Automatic Item Generation

Perform the operations, $100-3(7-5)$.

A. $194$

B. $94$

C. $64$

D. $674$

E. $74$

A. $194$

B. $94$

C. $64$

D. $674$

E. $74$

What is ${6} \dfrac{4}{9} - {5}\dfrac{3}{5}$?

A. $\dfrac{38}{45}$

B. $ {1} \dfrac{38}{45}$

C. $ {4} \dfrac{38}{45}$

D. $ {3} \dfrac{38}{45}$

E. $ {2} \dfrac{38}{45}$

A. $\dfrac{38}{45}$

B. $ {1} \dfrac{38}{45}$

C. $ {4} \dfrac{38}{45}$

D. $ {3} \dfrac{38}{45}$

E. $ {2} \dfrac{38}{45}$

Find the solution to the following system.

$ \left \{ \begin{array}{cc} {y}={2}{x}+{8}\\{3}{x}-{2}{y}={-14} \end{array} \right. $

A. ${x}={-2}, \;{y}={-4}$

B. ${x}={-4}, \;{y}={2}$

C. ${x}={4}, \;{y}={-2}$

D. ${x}={2}, \;{y}={4}$

E. ${x}={-2}, \;{y}={4}$

$ \left \{ \begin{array}{cc} {y}={2}{x}+{8}\\{3}{x}-{2}{y}={-14} \end{array} \right. $

A. ${x}={-2}, \;{y}={-4}$

B. ${x}={-4}, \;{y}={2}$

C. ${x}={4}, \;{y}={-2}$

D. ${x}={2}, \;{y}={4}$

E. ${x}={-2}, \;{y}={4}$

Round the number $24.257$ to the nearest hundredths place.

A. $24.26$

B. $24.24$

C. $24.27$

D. $24.25$

E. $24.28$

A. $24.26$

B. $24.24$

C. $24.27$

D. $24.25$

E. $24.28$

Which of the following is equivalent to $\dfrac{4}{7}$ ?

A. $\dfrac{1}{28}$

B. $\dfrac{8}{11}$

C. $\dfrac{5}{8}$

D. $\dfrac{7}{4}$

E. $\dfrac{16}{28}$

A. $\dfrac{1}{28}$

B. $\dfrac{8}{11}$

C. $\dfrac{5}{8}$

D. $\dfrac{7}{4}$

E. $\dfrac{16}{28}$

What is $5+3$?

A. $8$

B. $10$

C. $9$

D. $7$

E. $11$

A. $8$

B. $10$

C. $9$

D. $7$

E. $11$

When there are $4$ points on the circle, how many triangles can be formed connecting three points?

A. $24$

B. $4$

C. $64$

D. $12$

E. $8$

A. $24$

B. $4$

C. $64$

D. $12$

E. $8$

What is the area of the rectangle with base 4 and height 3 shown below?

A. 15

B. 8

C. 9

D. 12

E. 16

A. 15

B. 8

C. 9

D. 12

E. 16

Consider the following scatterplot of midterm and final exam scores for a class of 18 students.Which of the following is incorrect?

A. Students who scored higher on the midterm exam tended to score higher on the final exam.

B. No one scored 90 or above on both exams.

C. The coefficient of determination here is positive.

D. The same number of students scored 100 on the midterm exam as scored 100 on the final exam.

E. The scatterplot shows a moderate negative correlation between midterm and final exam scores.

A. Students who scored higher on the midterm exam tended to score higher on the final exam.

B. No one scored 90 or above on both exams.

C. The coefficient of determination here is positive.

D. The same number of students scored 100 on the midterm exam as scored 100 on the final exam.

E. The scatterplot shows a moderate negative correlation between midterm and final exam scores.

Christine is experimenting with transformations by drawing the original triangle with a thin line, and the transformed triangle with a thick line.

Which of the following is*not* true about this transformation?

A. The corresponding pairs of sides are equal in length

B. The corresponding pairs of angles are equal

C. The transformation for a triangle includes a translation

D. The transformation for a triangle includes a reflection across $y$ axis

E. The corresponding pairs of segments are parallel

Which of the following is

A. The corresponding pairs of sides are equal in length

B. The corresponding pairs of angles are equal

C. The transformation for a triangle includes a translation

D. The transformation for a triangle includes a reflection across $y$ axis

E. The corresponding pairs of segments are parallel