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Homework Practice

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Number System: Practice 1

Section A: Core Practice

Question 1mcq
Which of the following is irrational?
A.78\frac{7}{8}
B.7\sqrt{7}
C.0.750.75
D.−3-3
Question 2mcq
Which decimal expansion is non-terminating and recurring?
A.0.3‾0.\overline{3}
B.0.250.25
C.0.50.5
D.2.02.0
Question 3mcq
Evaluate (−2)3−(−2)2(-2)^{3}-(-2)^{2}.
A.1212
B.−4-4
C.44
D.−12-12
Question 4mcq
During a traffic model on rational numbers and number sets, find one rational number between 25\frac{2}{5} and 35\frac{3}{5}.
A.45\frac{4}{5}
B.15\frac{1}{5}
C.12\frac{1}{2}
D.55\frac{5}{5}
Question 5mcq
Write 0.8750.875 as a fraction in simplest form.
A.87510\frac{875}{10}
B.78\frac{7}{8}
C.87\frac{8}{7}
D.3540\frac{35}{40}

Section B: Application Practice

Question 6mcq
Which of the following is irrational?
A.7\sqrt{7}
B.78\frac{7}{8}
C.0.750.75
D.−3-3
Question 7mcq
Which rational number lies between 22 and 33?
A.3.23.2
B.72\frac{7}{2}
C.1.51.5
D.52\frac{5}{2}
Question 8mcq
Evaluate (−2)3−(−2)2(-2)^{3}-(-2)^{2}.
A.44
B.−4-4
C.−12-12
D.1212
Question 9mcq
During a robotics model on rational numbers and number sets, find one rational number between 25\frac{2}{5} and 35\frac{3}{5}.
A.15\frac{1}{5}
B.12\frac{1}{2}
C.45\frac{4}{5}
D.55\frac{5}{5}
Question 10mcq
Write 0.8750.875 as a fraction in simplest form.
A.78\frac{7}{8}
B.87510\frac{875}{10}
C.87\frac{8}{7}
D.3540\frac{35}{40}