Algebra Questions

9 167 6 7 2 7 1 2 11 8x 2x 16 5x 7x 1 2 10 5 6 3r 7 127 11 2 4 24 5 6 78 12 1 6x 6 11 7x 321 01 2

5 92 2m 2 3 7 6 4 6n 7 2122 17 10 6 3 6 4x 6 111 0 8 138 2 6 6b 7

21 6 1 7k 7 1 6k 2 23 3 1 2x 3 6x 22 2 2 2x 4 x 5 24 43 24 2 5 6n 6 8 2n

13 a 6 15 8a 0 15 5n 6n 8 8n n 14 13 2v 8 6 7 v 34334 24 16 x x 7 x 2 T

Solve for z log x log z 3 5

17 5n 62 7 5n 6 6n 19 28 k27 k 4 1 5 6 7 8 9 10 11 12 13 14 15 18 3 p 3 5p 3p 6 434 101 2 20 28 7x 4 7x 7 H 1

Suppose Albers Elementary School has 44 teachers and Bothel Elementary School has 60 teachers If the total number of teachers at Albers and Bothel combined is 83 how many teachers teach at both schools

In the last several weeks 74 days saw rain and 39 days saw high winds In that same time period 22 days saw both rain and high winds How many days saw either rain or high winds

Suppose Set A contains 25 elements and Set B contains 70 elements If the total number elements in either Set A or Set B is 83 how many elements do Sets A and B have in common

4x 6y ax 2y 3 Consider the system of linear equations a Write the system as an augmented matrix 1 b Multiply the second row by 3 c For what value s of a is the system inconsistent

5 7 9 A b C 26 5 64x A 8 x C 6x 7 49 5 A k C 2 9 81K 1 243k A C k atives 65a681837bcbef5a0710a57a B 102465 D 24016 2 B 3125x 5 D B 2 D 10000k B k D 729k 8 13 6 2 A 216x C 343x6 6 25m A 4m C 1 125m 8 9 2 A n C 27n 1010 25 2 A v 5v B x 2 D x B 125m D 7m B n D 125m D B 243 5 1 8y

D 324 B 10246 D 240162 B 3125x D B A D 100004 2 A 8 4 36 9 A 216x 6 6 25m 25m A 4m 8 0 A C 27m B D x B x D x B 125m D 7m D 125m High wine

5 A 64 C 26 9 5 64x A 8 x C 6x 7 7 49 A k C k 3 9 81k A C k 243k B 10246 D 24016 2 B 3125x 5 D S B k D 10000k B k D 729k 8 A 216x C 343x6 6 6 25m A 4m C 125m 8 9n A n C 27n 10 10 25 A 14 C B D B D

1 3 5 7 Simplify 1 a A a C a 4 3 34369 A 64 C 26 5 64x8 z A 8x C 6x 7 k A k C k 2 II B a D 32a5 B 10246 D 24016 2 B 3125x 5 D x 15 B k D 10000k 4 6 8

6 6 25m A 4m C 8 1 125m 3 8 9n A n C 27n 3 10 10 25 A v4 5v B 125m D 7m B n D 125n B 243v s D 8v

In R V V U3 must be linearly dep

Erica is 33 years old She has 580 in a checking account 3400 in a savings account 22 000 in a retirement account and owns a car worth 7700 What is the total value of her liquid assets A 29 700 OB 33 680 C 3400 OD 3980

Show that Every square matrix A can be expressed as the sum of a symmetric matrix and a skew symmetric matrix

Using the quadratic formula to solve x2 x 5 0 what are the values of x O 1 19 2 O 5 21 2 0 12 21 O 1 19

If the discriminant of a quadratic equation is equal to 8 which statement describes the roots O There are two real roots There is one complex root O There are two complex roots O There is one real root

Solve using the quadratic formula Standard form 1st 2x 2x 24 Ox 5 and x 5 2 Ox 4 and x O X 3 7 and t 3 5 5 3 4 and x 5 5 3 4

Which equation shows the quadratic formula used correctly to solve 5x2 3x 4 0 for x Omc001 2 jpg O O X X 3 3 4 5 4 2 5 3 3 4 5 4 2 5 2 3 3 4 5 4 2 5

Solve using the quadratic formula 2m 4m 5 0 O O m m m m 1 47 6 1 i II 6 and and m 2 i 6 and m 1 iv 1 47 and m 6 tive and m 2 1 1 47 6 1 i II 6 1 1 47 6 2 1 6 2

24 XEZ AER A 4 x 3 15 3x x

Ex 2 Find the roots of f x x 5x 8x 48

Ex 1 18x 32

Ex 2 8x 32x 24

Ex 3 2a 22a 24

Ex 2 Find the roots of f x x 5x 8x 48

What do you notice about what happens on the graph at the x intercepts

Ex 1 If 2 is a root off x 3x 4x 5x 2 find the other roots algebraically

Ex 4 2x x 21

Ex 1 18x 32x

Consider the function graphed at right What are the x intercepts of the function Write answer as an ordered pair separate each ordered pair with a comma 10 9 8 7 6 5 4 3 V10 8 5 6 8 9 10

ct with at least four digits past the decimal 2 28 x 2 x 3 3 768 76 177 9537 Question 7 0 1 42 pts Solve the following system of equations for x Express your answer as a decimal number with at least four digits past the decimal x 8 5 y 2 9

If the vectors V V2 V3 V4 V5 Span R4 then they are linearly independent Select one O True O False

a 4x 4x 1

b 6y y 5

d 49 n

Ex 3 Facto a y 36

c 81x 121

b y 2x 9x 11

b 9x 1

a y x 6x 5

Ex Solve 3x2 10 26

Ex Solve 3x2 10 26

2 3x 2x x 1 x 2x 3

Ex Simplify 15

Ex Solve x 1

Simplify 4