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Algebra Review: Solved Problems on Numbers, Techniques, Equations, Series, and Word Proble, Assignments of Algebra

Colegio Mayor de Tecnologia Inc Algebra

A collection of algebra problems with solutions, covering topics such as mathematical numbers, algebraic techniques, quadratic equations, series and expansions, and word problems. Students can use this document as a study resource to review and understand various algebra concepts.

What you will learn

Simplify: x20 + x20 + x20 + x20
What is 2 ¾ as a percentage of a number?
The expression 6j 3j is also equal to: a. 6y 3j, b. 2 3j, c. 2 3j 3j, d. j 3j

What is the solution set of the inequality x2 – 4x –21 ≤ 0?
Simplify: 3(x – 2) + 3(3x + 4)
Find the range for x: Ans: -4 ≤ x < 6

Typology: Assignments

2019/2020

Uploaded on 09/09/2020

aris-randall-serfino 🇵🇭

2 documents

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ALGEBRA REVIEW 1

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Download Algebra Review: Solved Problems on Numbers, Techniques, Equations, Series, and Word Proble and more Assignments Algebra in PDF only on Docsity!

ALGEBRA

REVIEW 1

MATHEMATICAL NUMBERS

Which of the following does not belong to the group? a. 6 – 4i

b. − 6

c. 5

d.

− 3 2 Ans: c

Which of the following is NOT a true statement? A. Every even number is divisible by two B. Every number divisible by two is an even number C. Every number not divisible by two is not odd D. Every odd number is not an even number. Ans: c

If 𝑥 3 (^4) = 8 , x is equal to? Ans: 16

REAL NUMBER SYSTEM

2 ¾ is 5% of what number? Ans: 55

Simplify: 12 8 Ans: 3 2

NUMERICAL REPRESENTATION

Simplify: 3(x – 2) + 3(3x + 4). Ans: 12x + 6

**Simplify: 2(a 2

b) –** 𝟕 𝟑 **(a 2
b) +** 𝟏 𝟑 **(a 2
b) Ans: 0**

Simplify x 20

x 20
x 20
x 20 Ans: 4x 20

If log 5 𝑥 = − 1. 8 , log𝑥 5 is equal to? Ans: - 0.

Find the range for x: Ans: - 4 ≤ x < 6

ALGEBRAIC TECHNIQUES

Factor: 3xy 2

3xy – 6x Ans: 3x (y+2) (y-1)

The expression 6𝑦 3𝑦 is also equal to: a. 6y 3𝑦

b. 2 3𝑦

c.

2 3𝑦 3𝑦

d. 𝑦 3𝑦

Ans: B

Simplify: Ans: 𝑥− 2 𝑥+ 2