Algebra 2 H

What is the slope of the line whose equation is y=2x-10 A) 1/2 B) 2 C) 5 D) -10

B *Question 32

Jack bought 3 slices of cheese pizza and 4 slices of mushroom pizza for a total of $12.50. Grace bought 3 slices of cheese pizza and 2 slices of mushroom pizza for a total of $8.50. What is the cost for one slice of mushroom pizza? A) $1.50 B) $2.00 C) $3.00 D) $3.50

B *Question 49

Given the relation {(8,2) (3,6) (7,5) (k,4)} which value of k will result in the relation not being a function A) 1 B) 2 C) 3 D) 4

C *Question 30

The graph of the line passing through the points (6,7) and (4,2) has a slope of A) 2/5 B) -5/2 C) 5/2 D) -1/2

C *Question 30

If x is an interger, which is the solution of the set -1 <(line underneath) x <2 A) {0,1} B) {-1,0,1,2} C) {0,1,2} D) {-1,0,1}

D *Question 22

The solution set of |x-3|>5 A) {x<8 and x<-2} B) {x<8 and x>-2} C) {x<8 and x>-2} D) {x>8 and x<-2}

D *Question 24

Tony bought 3 milk chocolate bars and 4 creamy nougat bars for a total of $4.25, then we went back and bought 6 milk chocolate bars and 4 creamy nougat bars for $6.50. How much did each bar cost?

Milk chocolate= $0.75 and Creamy Nougat=$0.50 *Question 47

Julia went to the movies and bought one jumbo popcorn and two chocolate chip cookies for $5.00. Marvin went to the same movie and bought one jumbo popcorn and four chocolate chip cookies for $6.00. How much does one chocolate chip cookie cost?

$0.50 *1x+2y=5.00 (-1) 1x+4y=6.00 *-1-2y=-5.00 1x+4y=6.00 (one's eliminate) (-2+4=2y) (-5.00-6.00=1.00) *divide 1.00 by 2)

Solve the system of equation algebraically 3x+2y=6 5x-3y=-28

(-2,6) *3x+2y=6 (-5) 5x-3y=-28 (3) *-15x-10y=-30 *3x+12=6 15x-9y=-84 -12 -12 (15x cancel) (-6 divided by 3) (-30+-84) x=-2 *-19y=-114 (divide by -19y) y=6

If f(x)= 5x-2 and g(x)= 3 square root x evaluate (f o g)(-8)

-12 *Question 34

What is the slope of the line which passes through the points (3,-8) and (-1,0)

-2 *Question 31

If the temperature in Buffalo is 23 fahrenheit, what is the temperature in celsius? c=5/9(F-32)

-5

If the sum of a number and 4 is multiplied by 2, the result is 28. What is the number?

10 *Question 46

If f(x)= 3x-1 and g(x)= x^2+1, what is (g o f)(-1)

17 *Question 32

A candy store sells 8 pound bags of mixed hazelnuts and cashews. If c pounds of cashews are in a bag, the price of p of the bags can be found using the formula p=2.59c+1.78(8-c) If one bag is priced at $18.11, how many pounds of cashews does it contain?

5 pounds *18.11=2.59c+1.72(8-c) (1.72 multiplied 8 and c) *18.11+2.59c+13.76-1.72c (Combine c's) *18.11=0.87c+13.76 (take away 13.76 from itself and 18.11) *4.35=0.87c (divide 4.35 by 0.87)

Lois is 4 times as old as her son Dan. The sum of their ages is 40. How old is Dan?

8 *Question 45

If f(x)= 3x and g(x)= 7x-1, what is (f o g)(4)

81 *Question 31

Solve for x in terms of a,b, and c bx+c=a

A *Question 13

If x + ay =b, then y equals A) b-x over a B) b over x+a C) b-x-a D) b-a over a

A *Question 14

The solution set of the equation square root x+1 (out of root) +5=0 A) 0 slashed out B) {24} C) {-26} D) {0}

A *Question 15

Solve for x |3-2x|=5 A) {-1,4} B) {1,-4} C) {-1} D) {4}

A *Question 17

What is the value of w in the equation 1/2w+7=2w-2

A *Question 2

What is the solution set of the equation x^2-3x-10=0 A) (5,-2) B) (-5,-2) C) (5,2) D) (-5,2)

A *Question 21

If y is an interger, what is the solution set of -3< (underlined) y <2 A) {-3,-2,-1,0,1} B) {-2,-1,0,1,2} C) {-3,-2,-1} D) {0,1}

A *Question 23

Which set of ordered pairs is not a function A) {(3,1) (2,1) (1,2) (3,2)} B) {(1,2) (5,6) (4,3) (9,8)} C) {(2,1) (3,2) (9,1) (5,2)} D) {(1,0) (2,4) (4,2) (6,3)}

A *Question 26

In the set of real numbers, what is the domain of f(x)=square root x+5 A) x > (underlined) -5 B) x < (underlined) -5 C) x>-5 D) x>0

A *Question 29

What relation is a function A) {(2,1) (3,1) (4,1) (5,1)} B) {(3,-2) (3,-4) (4,-1) (4,-3)} C) {(2,3) (3,2) (4,2) (2,4)} D) {(6,4) (6,1) (2,4) (2,6)}

A *Question 29

What is the solution of the equation |2x-1|=9 A) {} B) {5,-4} C) {-5,4} D) {5}

B *Question 18

The solution set of the equation x^2-x-6=0 A) {6,-1} B) {3,-2} C) {2,-3} D) {-6,1}

B *Question 22

Which is the solution set of the equation 2x^2+3x_2=0 A) {-1/2, 2} B) {1/2, -2}} C) {1/2, 2} D) {-1/2, -2}

B *Question 23

Which set of ordered pairs doesn't represent a function A) {(3,-2) (-2,3) (4-1) (-4,4)} B) {(3,-2) (3,-4) (4,-1) (4,-3)} C) {(3,-2) (4,-3) (5,-4) (6,-5)} D) {(3,-2) (5,-2) (4,-2) (-1,-2)}

B *Question 28

The inequality 3x+2 > x+8 is equivalent to A) x>-3/2 B) x>3/2 C) x>3 D) x<3

C *Question 20

The inequality is the solution of 5x-1 < 29 A) x>7 B) x<7 1/4 C) x<6 D) x>5 3/5

C *Question 21

The solution to the quadratic equation 2x^2-x-14=0 A) -1 +/- square root 111 over 2 B) 1 +/- square root 111 over 4 C) 1 +/- square root 113 over 4 D) -1 +/- square root 113 over 2

C *Question 25

What is the slope of the line whose equation is 5y=2x+10 A) 5/2 B) 2 C)2/5 D) -10

C *Question 33

Which is an equation of a line whose slope is 0 A) 3x =y B) x+y =3 C) y=3 D) x=3

C *Question 34

If f(x)=3x^2 and g(x)= square root of 2, what is the value of (f o g)(8) A) 8 square root 6 B) 16 C) 48 D) 144

C *Question 35

Which is an equation of the line that passes through the point (5,-2) and has a slop of -3? A) y= -3x-13 B) y= 3x-13 C) y= -3x+13 D)y= 3x+13

C *Question 38

Which is an equation of the lien that passes through the points (1,3) and (-1,1) A) x=1 B) y= 2x+1 C) y= x+2 D) y=3

C *Question 40

The solution to the quadratic equation 2x^2+5x-1=0 A) 5 +/- square root 17 over 4 B) -5 +/- square root 14 over 4 C) 5 +/- square root 33 over 4 D) -5 +/- square root 33 over 4

D *Question 24

Which is an equation of the line that passes through the point (1,4) and has a slop of 3? A) y= 3x+4 B) y= 1/3x+4 C) y= 3x-1 D) y= 3x+1

D *Question 37

Which equation is equivalent to x+2y=6 A) y= -x+6 B) y=-1/2-6 C) y= -x+3 D) y=-1/2+3

D *Question 39

What is the value of x in the proportion x-4/x = 5/7

D *Question 7

If g(x)= square root of x and h(x)= X6^3-1, what is g(h(4)) A) 5 B) 7 C) Square root 11 D) Square root 63

D *Question 33

What point satisfies the inequality 2x+y>10 A) (2,3) B) (3,4) C) (3,2) D) (4,3)

D) (4,3)

At the local video rental store John rented 2 movies and 3 games for $15.50. Meg rented 3 movies and 1 game for a total of $12.05. how much money is need to rent a combination of 1 movie and 1 game?

$.6.15 *Question 48

What is the solution of the equation |2x-1|=5

(-2,3) *Question 19

Cedric and Zelda went shopping at Price Buster. Cedric bought 2 jumbo rolls of aluminum foil and 3 packages of AA batteries for a total cost of $21. Zelda bought 5 aluminum foil rolls and 2 AA battery packages for $25. Find the cost for one roll of aluminum foil and one package of AA batteries

Foil=$3 AA=$5 *Question 17

Three bags of poatoes and four cases of corn cost $40. Five bags of potatoes and two cases of corn cost $34. Find the cost of one bag of potatoes and one bag of corn.

P=$4 C=$7

Solve for a in terms of b and c 3a+4b=c

a-c ---- b *Question 12

If f(x)= 3-x^2, find f(-2)

f(-2)=-1

If f(x)= x^3-2x, find f(-2)

f(-2)=-4

If f(x)= -2x^2+6, find the value of f(-3)

f(-3)= -12

If f(x)= (2x)^2, find f(-4)

f(-4)= 64

If f(x)= x^2-3x, find f (1.8)

f(1.8)= 8.64

If f(b)= b^0+b^-1+b^-2

f(2)= 1.75

Solve for x 5x+7y=2x-2

x=-3 *Question 18

Solve for x 3/x+2 = 1/x

x=1 *Question 4

Solve for x 4/6 = x/15

x=10 *Question 3

Solve for x 3(x-8)=x+4

x=14 *Question 20

Solve for x 2/x +1/7 =4/x

x=14 *Question 9

Solve for x Square root 2x-8 (out of root) -1=5

x=22 *Question 16

Solve for x 5x+2x-4=4x+5

x=3 *Question 1

Solve for x x/3 + x/18

x=3 *Question 11

Solve for x 1/x + 1/6 = 1/2

x=3 *Question 8

Solve for x 5x-2(x+1)=10

x=4 *Question 19

Solve the system of equations for x x+y=6 x-y=2

x=4 *y's cancel out *Combine x's (2X) Add (6+2=8) Divide by 2X

Solve for x x/6 + 2x/3 =5

x=6 *Question 10

Solve for n 4n/5n+7 = 2/3

x=7 *Question 5

Solve for x x/x+2 + 4/5

x=8 *Question 6