Algebra Questions

Simplify 5 27 O 15 3 O 15 3 31 3 O 3 3

Here s the quadratic formula For any equation in the form ax bx c 0 x b b 4 a c 2 a Helpful worked examples Workbook pg 124 and pg 131 1 2 Determine how many REAL solutions the following functions have 1 7x 2x 8 0 2 x 2x 1 0

Which expression is equivalent to i 256 O i 01 O 1

Which of the following is a complex number that is not in the set of real numbers 0 7 4 9i 0 O2 3

Which expression is equivalent to 60 O 47 15 O 2i 15 2 15

Simplify 64 81 O 8i O 32i O 8

Which of the following equations has NO SOLUTIONS O O O O 4 x x 1 3 x 1 4 x x 1 4 1 X X 4x x x 1 2 1 2x x x 1 6 x 1 28 830 X 80

Which of the following equations has NO SOLUTIONS O O O O 5x x 2 7 10 x 2 10 2 2 7 2 2 X 3 7 x 2 x 2 5x 5 2 7 252

3 Solve each proportion 8 6 5x 2 5x 9 1 3 5 11 n 7 4 2n 10 5 3 7 2a 6 a 2 11 2 4 6 4 6 a 2 3a 5 4 6 x 2 3 11 5x 1 5 v 4 6 11 V 7 3

7 Which of the following equations has NO SOLUTIONS O O O O 1 4 3 2 4 x 4 2 4 1 2x 4 2 2 4 x 4 4 X 2x 2 4 3x x 4 1 3x 4 2 32 x 4 x 4

The grain stored inside a cylindrical silo is transferred to a transport container in the shape of a triangular prism The container s trangular base has side lengths 5 8m 5 8 m and 8 1m and height 7 2 m The silo has a radius of 5 83 m 30The cylinder has radius 3 cm height 18cmEach ball has radius 3 cma Find the volume of grain that will be removed from the silo if the container is completely filled b Find the amount by which the height of grain inside the silo will decrease Give your answers to an appropriate degree of accuracy

Write a 3rd degree polynomial function with real coefficients having the zeros of 1 and i

4 Zero x ai x ai x 2i x

orm a polynomial with real coefficients having zeros 2 2 and 3i

Given the graph of the polynomial function write the function as g x in intercept form y 2 X

x 4 x y

x 6x 16

5 000 4 000 3 000 2 000 1 000 2 6 8 10 number of years 4 12 14 The graph shows the yearly balance in dollars in an investment account What is the initial balance in the account VE

3m 2 3m 2m 1

7 Given the line L x y z 1 0 1 t 1 1 1 the plane P 2x y 2z 7 and the point Q 2 0 1 J X t y ter a Find the distance between the line and the X axis b Find the point A on the plane P which is closest to the point Q c Find parametric equations of the line which intersects both the X axis and the line L at a right angle

Which answer describes the transformation of g x log x 3 1 from the parent function f x log r O It is the graph of f x shifted 1 unit right and 3 units down O It is the graph of f x shifted 3 units right and 1 unit up O It is the graph of f x shifted 3 units right and 1 unit down O It is the graph of f x shifted 3 units left and 1 unit up

Which graph represents f x log x 1 O f x 6 5 4 3 2 2 11 2 3 5 f x 6 5T 4 34 2 14 2 11 2 3 4 5 3 4 5 6 7 8 9 10 st 4 5 6 7 8 9 10 f x 6 5 4 3 2 1 2 11 2 3 4 5 f x 6 5 4 3 2 2 11 2 3 23556 5 2 3 4 5 6 7 8 9 10 2 3 4 5 6 7 8 9 10 X x

Given the parent function g a log a What is the equation of the function shown in the graph Of a log 4 2 Of a log x 3 2 Of a log a 2 f x log x 3 4 7 0 A f x 1 X 3 4 6 4 2 7 0 8

What is the equation of the vertical asymptote of h x 6log x 3 5 Enter your answer in the box X

1 Algebra Prep Solving Rational Expressions Solve each equation Remember to check for extraneous solutions 1 1 S 4 5 22 2 2 5

7 9 7 1 1 2 x 4 X 4 9 n n 1 n 4n 5 1 1 n 4n 5 n 5

5 7x 4x

5 7x 4x 3

9 144 11

609 9

5 18 13

SE

5 17

5 98

5 3y 24y 21

8 h 25

4 2r 17r 8

2 k2 5k 14

6 3x 21x 30

7 4p 14p 98

3 7n 9n 2

1 m 10m 11

Donte simplified the expression below 4 1 31 8 5 4 3i 8 5i 4 8i What mistake did Donte make O He did not apply the distributive property correctly for 4 1 3i O He did not distribute the subtraction sign correctly for 8 5i O He added the real number and coefficient of i in 4 1 3i O He added the two complex numbers instead of subtracted

11 4x 13x 27

1 y 4x 8x 3

9 6x 5x4

10 10x 19x 6

3 f x x 4x 4

7 8x 10x 3

2 100x