Grade 8 Mathematics Quarter 2 Review

What is the graph of linear inequalities in two variables?

• Half Plane

• Straight line

• Half of a Parabola

• Parabola

How many solutions does a linear inequality in two variables have?

• 0

• Infinite

• 1

• 2

What is defined by f(x) = mx + b where the graph is a line?

• Inverse Function

• Circle Function

• Quadratic Function

• Linear Function

If the number is divisible by 2 and 5, then it is divisible by 10. What do you call the underline portion in this conditional statement?

• Converse

• Argument

• Conclusion

• Hypothesis

What reasoning uses specific examples to arrive at a general rule, generalizations or conclusions?

• Deductive Reasoning

• Converse

• Inductive Reasoning

• Inverse

Which of the following expressions below is a linear inequality in two variables?

• 3x -2x ˂ 8

• 2x  3 – 4x

• 4 + 4y ≥ 1 - y

• 3x – 4 ≤ 2y + 1

Which of the following sets of ordered pairs does NOT define a function?

• {(2,2), (2,3), (2,4), (2,-9)}

• {(4,4), (-3,4), (-4,-4), (3,-4)}

• {(3,2), (-8,6), (8,-2), (-3,-6)}

• {(1,2), (2,6), (3,-2), (4,-6)}

What kind of proof is written in column where the first column are the statements and the second column are the reasons?

• Two-Column Form

• Paragraph Form

• Indirect Proof

• Flow Chart Form

Which of the following is a linear inequality in two variables?

• 4a – 3b = 5

• 11 + 2t ≥ 3s

• 7c + 4 < 12

• 3x ≤ 16

What is the value of f(-1), if f(x) = - 2x + 5?

• f(-1) = 3

• f(-1) = - 3

• f(-1) = 7

• f(-1) = - 7