Last updated: October 22, 2026 · Written by the Math Made Easy math teachers

Standards: N-RN.A.1, N-RN.A.2 · Level: Grade 9 Algebra 1
Question 2 Divide monomials (2 points)
Simplify 20m9n35m4n8 and write the answer with positive exponents.
Question 3 Power of a product (2 points)
Simplify (−2x3y)4.
Question 4 Evaluate rational exponents (2 points)
Evaluate (a) 272/3 (1 point) and (b) 4−3/2 (1 point).
Question 5 Radical and exponent forms (2 points)
(a) Write ∛(x7) with a rational exponent. (1 point) (b) Write a5/2 as a radical. (1 point)
Question 6 Simplify square roots (3 points)
Simplify each radical (variables are nonnegative). (a) √98 (1 point) (b) √45 (1 point) (c) √(20x6) (1 point)
Question 7 Rectangle with radicals (3 points)
A rectangle has width √12 cm and length √27 cm.
(a) Write each side in simplest radical form. (1 point) (b) Find the exact area. (1 point) (c) Find the exact perimeter. (1 point)
Question 8 Radioactive decay (3 points)
The mass of a sample in grams is A = 80(1/2)t/4 after t hours. (a) Find the mass at t = 12. (1 point) (b) Find the exact mass at t = 2 and approximate it. (1 point) (c) Explain what the 4 in the exponent means. (1 point)
Question 9 Locate a root (1 point)
Between which two consecutive integers does √55 lie? Use the number line.
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