AP®︎ Precalculus: Topic 4.10 Practice Test

Prepare for your quiz, test, or the AP exam with focused practice questions on Topic 4.10 of AP Precalculus – Matrices.

Questions List

Topic 4.10

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Q2
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Q10
Q11
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Q14

Question 1 Easy

M=[4−1703−5]M = \begin{bmatrix} 4 & -1 & 7 \\ 0 & 3 & -5 \end{bmatrix}
Which statement about MM is true?

AMM is 2×32 \times 3 and has 6 entries.
BMM is 3×23 \times 2, and m12=−1m_{12} = -1.
CMM is 2×32 \times 3, and m12=0m_{12} = 0.
DThe dimension of MM is 6, because it has 6 entries.

What You’re Being Tested On:

Explore the learning objectives taken directly from the College Board’s AP® Precalculus Curriculum. Ensure you’re prepared for the exact topics covered on the AP® exam, in-class tests, and quizzes, and gain confidence in your mastery of the material.

Topic 4.10: Matrices

Learning Objective: 4.10.A

Determine the product of two matrices.

Essential Knowledge: 4.10.A.1

An n×mn \times m matrix is an array consisting of nn rows and mm columns.

Essential Knowledge: 4.10.A.2

Two matrices can be multiplied if the number of columns in the first matrix equals the number of rows in the second matrix. The product of the matrices is a new matrix in which the component in the iith row and jjth column is the dot product of the iith row of the first matrix and the jjth column of the second matrix.

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