Quiz about Algebra 15 Review

Question 1

Add the fractions: $$\frac{3}{4} + \frac{2}{5}$$

Accepted Answer

$$\frac{23}{20}$$

Answer

$$\frac{5}{9}$$

Answer

$$\frac{19}{20}$$

Answer

$$\frac{29}{20}$$

Question 2

Subtract the fractions: $$\frac{7}{8} - \frac{1}{3}$$

Accepted Answer

$$\frac{13}{24}$$

Answer

$$\frac{5}{24}$$

Answer

$$\frac{19}{24}$$

Answer

$$\frac{11}{24}$$

Question 3

Multiply the fractions: $$\frac{5}{6} imes \frac{2}{3}$$

Accepted Answer

$$\frac{5}{9}$$

Answer

$$\frac{10}{18}$$

Answer

$$\frac{1}{2}$$

Answer

$$\frac{10}{9}$$

Question 4

Divide the fractions: $$\frac{9}{10} \div \frac{3}{5}$$

Accepted Answer

$$\frac{3}{2}$$

Answer

$$\frac{15}{18}$$

Answer

$$\frac{5}{6}$$

Answer

$$\frac{3}{5}$$

Question 5

Simplify using laws of exponents: $$x^3 \cdot x^4$$

Accepted Answer

$$x^7$$

Answer

$$x^{12}$$

Answer

$$x^{1}$$

Answer

$$x^{6}$$

Question 6

Simplify using laws of exponents: $$\frac{y^5}{y^2}$$

Accepted Answer

$$y^3$$

Answer

$$y^7$$

Answer

$$y^{10}$$

Answer

$$y^2$$

Question 7

Evaluate the expression: $$3 + 2 imes (5 - 3)$$

Accepted Answer

$$7$$

Answer

$$11$$

Answer

$$8$$

Answer

$$9$$

Question 8

Evaluate the expression: $$4 imes (6 + 2) - 5$$

Accepted Answer

$$27$$

Answer

$$23$$

Answer

$$31$$

Answer

$$19$$

Question 9

Simplify the algebraic expression: $$2x + 3x - 4$$

Accepted Answer

$$5x - 4$$

Answer

$$5x + 4$$

Answer

$$x - 4$$

Answer

$$x + 4$$

Question 10

Simplify the algebraic expression: $$7y - 2y + 6$$

Accepted Answer

$$5y + 6$$

Answer

$$9y + 6$$

Answer

$$5y - 6$$

Answer

$$9y - 6$$

Question 11

Add the mixed numbers: $$2 \frac{1}{3} + 1 \frac{2}{5}$$

Accepted Answer

$$3 \frac{11}{15}$$

Answer

$$3 \frac{7}{15}$$

Answer

$$3 \frac{1}{15}$$

Answer

$$3 \frac{13}{15}$$

Question 12

Subtract the mixed numbers: $$5 \frac{3}{4} - 2 \frac{1}{2}$$

Accepted Answer

$$3 \frac{1}{4}$$

Answer

$$3 \frac{1}{2}$$

Answer

$$3 \frac{3}{4}$$

Answer

$$3 \frac{1}{3}$$

Question 13

Multiply the mixed numbers: $$1 \frac{1}{2} imes 2 \frac{1}{3}$$

Accepted Answer

$$3 \frac{1}{2}$$

Answer

$$3 \frac{1}{3}$$

Answer

$$3 \frac{1}{6}$$

Answer

$$3 \frac{5}{6}$$

Question 14

Divide the mixed numbers: $$3 \frac{1}{2} \div 1 \frac{1}{4}$$

Accepted Answer

$$2 \frac{4}{5}$$

Answer

$$2 \frac{1}{5}$$

Answer

$$2 \frac{3}{5}$$

Answer

$$2 \frac{2}{5}$$

Question 15

Simplify using laws of exponents: $$(a^2b^3)^2$$

Accepted Answer

$$a^4b^6$$

Answer

$$a^2b^5$$

Answer

$$a^3b^6$$

Answer

$$a^4b^5$$

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