Question 1

Verify if the expression 4 × 4 - 5 × 3 is equivalent to 1.

Accepted Answer

True

Question 2

What is the next number expression after 5 × 5 - 6 × 4 in the pattern (n × n) - ((n+1) × (n-1))?

Accepted Answer

6 × 6 - 7 × 5

Question 3

Which algebraic expression represents the set that simplifies to 1?

Accepted Answer

(n)(n) - [(n+1)(n-1)]

Question 4

Why were the chosen algebraic expressions correct?

Accepted Answer

Because they simplify to 1.

Question 5

If you chose the expression (n)(n) - [(n+1)(n-1)], what does 'n' represent in the numerical expression 4 × 4?

Accepted Answer

The first number (4)

Question 6

Show that 1024 is a power of 2 and write its exponential form.

Accepted Answer

2^10

Question 7

Find a power of 2 that is a multiple of 16 and is between 50 and 200.

Accepted Answer

128

Question 8

Is there a number between 0.998 and 0.999?

Accepted Answer

Yes

Question 9

Subtract 0.998 from 0.999.

Accepted Answer

0.001

Question 10

Is there a fraction between 3/4 and 1?

Accepted Answer

Yes

Question 11

Based on Figure 1, how many students had a grade below 84?

Accepted Answer

5 students

Question 12

What does the graph in Figure 1 suggest about the relationship between absences and grades?

Accepted Answer

A negative correlation

Question 13

Which Purok shows more diversity in income, based on the range of their income bars?

Accepted Answer

Purok 1

Question 14

Should both puroks get the same aid if their averages are equal?

Accepted Answer

No, because diversity in income may require different aid.

Question 15

What is the total number of students who participated in music?

Accepted Answer

49

Question 16

How many students did not participate in any activity (music or sports)?

Accepted Answer

19

Question 17

What is the probability of selecting a student who participated in both music and sports?

Accepted Answer

18/110

Question 18

On the number line in Figure 3, what is the value of point F?

Accepted Answer

-300

Question 19

What are the coordinates of Point C on the Cartesian plane?

Accepted Answer

(4, 4)

Question 20

Calculate the area of Triangle ABC.

Accepted Answer

12 sq units

Mathematics Review: Algebra, Geometry, Statistics, and More

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