Pre-Algebra Math- Q.+A. ( Doesn't include ALL)

C. 27x^6

(3x^2)^3 is equivalent to A. 3x^5 B. 27x^5 C. 27x^6 D. 3x^6

D. x-4/4

A baseball team played X games, losing four of them and winning the rest. What is the ratio of games won two games lost? A. x/4. B. 4/x C. 4/x-4. D. x-4/4

y=50x

A car travels 100 miles every two hours. Which equation represents the relationship if Y= the total of miles traveled and X= the number of hours? (hint: K=y/x) A. y=0.02x B. y=2x C. y=50x D. y=100x

B. y=53x;y= the total miles, x=the time, in hours

A car travels 79.5 miles in 1.5 hours. Which equation represents the relationship? A. y=53x;y= the time, in hours, x=the total miles B. y=53x;y= the total miles, x=the time, in hours

7.5 in

A laptop computer has a screen that is 12.5 inches along the diagonal. The screen is 10 inches wide. How tall is the screen?

p=2.5 lb. c=1.5 lb

A party mix is made from pretzels that cost $2 a pound and cereal that cost $2.40 a pound. It's a total of 4 pounds is made and the cost for the mix is $2.15 a pound how many pounds of each ingredient are used?

D. (x,-y)

A point (x,y) is reflected over the x-axis. What is its image? A. (y,x) B. (-x,y) C. (-x,-y) D. (x,-y)

B. 113.04 in3

A sphere has a radius of 3 inches. What is its volume? Use 3.14 for pi. A. 113.04 in2 B. 113.04 in.3 C. 28.26 in.2 D. 28.26in.3

C. $5

A store sells apples by the pound. The table shows the cost charge for several numbers of apples. Which is the most reasonable prediction for the cost of 10 apples? A. $2.50 B. $4 C. $5 D. $10

Carlos= 30 miles

Carlos runs 4 miles every day. He also ran an extra 2 miles on Friday. Mira runs according to the function rule f(m) =3m+4, where M is the number of days. After one week, who ran the most miles?

C. weak negative

Describe the correlation of the points in the scatterplot. A. weak positive. B. strong positive C. weak negative. D. strong negative

B. y=1.25x+2.50

For each ride, a taxi company charges a flat fee of $2.50 plus $1.25 per mile. Which of the following equations gives the total cost in dollars, y, for a ride of x miles? A. y= x+1.25. B. y=1.25x+2.50 C. y=2.50x+1.25. D. x=1.25y+2.50

B. 168°

He supplement of a 12 degree angle has a measure of ______? A. 78 degrees B. 168 degrees C. 12 degrees D. 90 degrees

B. 20°

If angle2 measures 20°, what is the measure of angle4. A. 70° B. 20° C. 160° D. 40°

C. 55 °

If the measure of angleA is 55°. what is the measure of angleB? A. 125 ° B. 35 ° C. 55 ° D. 45 °

A. 28

If y varies directly as x, and y=36 when x=9, find y when x=7. A. 28 B. 63 C. 21 D. 11

Micheal=6 Janisha= 15

Jenisha is three years older than twice Michaels age. The sum of Jenishas age and Michaels age is 21. How old are Janisha and Michael?

7 animal kites 12 classic kites

Keiko's kite sold 19 kites on Saturday. They sold classic kites an animal shaped cakes. The number of classic cuts they sold was two less than twice the number of animal-shaped cakes sold. How many of each kind they sell?

B. $1.74

Keira bought 8 pound bag of dog food for $13.95. What was the price per pound of dog food? A. $1.99. B. $1.74 C. $1.03. D. $0.57

A. Brand A

Leslie is looking for the best buy on pencils. Brand and he has a package of 24 pencils for four dollars. Brand B has a package of 12 pencils for three dollars. Brand C has a package of 10 pencils for two dollars. And Brand D has a package of eight pencils for $1.50. Which brand should Leslie by? A. Brand A B. Brand B C. Brand C D. Brand D

D. (2,-5)

Paulette has to graph the equation 1-3x=y . Which ordered pair is on the graph? A. (5,-2). B. (2,5) C. (-2,-5). D. (2,-5)

B. $0.70

Rachel bought 5 pounds of Potatoes for $3.50. What was the price per pound of Potatoes? A. $0.55 B. $0.70 C. $1.43 D. $1.50

B. 7

Solve. 54/42=9/x A. 11.6 B. 7 C. 6 D. 4.7

A. 3

The Y intercept of the equation 3X-Y +3=0 is. A. 3. B. -3 C. 2. D. -2

C. 90°

The complement of a 30° angle is how many degrees less than it supplement: A. 120°. B. 60° C. 90°. D. 70°

B. 9

The ratio of 21 to 27 is equivalent to the ratio of 7 to _______? A. 8 B. 9 C. 48. D. 3

B. positive

The years of college education and the total of cost of tuition would likely show which type of correlation? A. No correlation B. Positive C. negative D. Not given

B. 90 degrees

Two angles are complementary if the sun of their measures is: A. 60 degrees B. 90 degrees C. 180 degrees D. 120 degrees

D. 80 °

What is the measure of angleC A. 50° B. 60° C. 90° D. 80°

C. (1,6)

What is the solution to the system? [ y-x=5 [ y=3x+3 A. (5,0). B(6,1) C. (1,6). D(0,5)

C. y=13+2x

Which equation is equivalent to y-2x=13 ? A. y=13-2x. B. y=2x-13 C. y=13+2x. D. 2x=13-y

B. x^2 +2x +3

Which function is a quadratic function? A. 2x+3 B. x^2+2x+3 C. x^3+2x^2+3 D. none of these

D. 7

Which is the solution of 9-2(x-1)=-3? A. -5 B. 5 C. 5.5 D. 7

A. y=-2

Which line has a slope of 0? A. y=-2 B. x=-4 C. x-y=0 D. x=2

B. f(x) =4x^2+6

Which of the following is a quadratic function? A. f(x) =4x+6 B. f(x) = 4x^2+6 C. f(x)= 3x D. f(x) =2x^2

D. (-1,-6)

Which order pair satisfies the equation y=x+(-5) ? A. (-6,1). B. (-2,7) C. (3,-7). D. (-1,-6)

C. 8,15,17

each set of numbers below shows the side lengths of a triangle in inches. Which triangle is a right triangle? A. 8,9,12. B. 7,11,23 C. 8,15,17. D. 10,16,19

C. 2/5

find the slope of the line that passes through .(4,5) and (-1,3). A. 5/2. B. 1/6 C. 2/5. D. -5/2

B. 4

how many exterior angles are formed when two parallel lines are intersected by third line? A. 2 B. 4 C. 6 D. 8

B. 13

if R +24 equals 37, then R=_________? A. 61. B. 13 C. 12. D. 1.69

B. 16

if S/8+4 = 6, then S=__________? A. 1/2. B. 16 C. 20. D. 4

45°

in order for angle ABC and angle DEF to be similar, what must measure angle FDE be? A. 15° B. 45° C. 75° D. 135°

Li lives closer

li's house is 3 miles east in 4 miles south of the school. Jack's house is 2 miles west and 5 miles north of the school. What is the shortest distance from each of their houses to the school? Who lives closer to the school?

B. The less Internet use, the more sleep the person gets.

what does the correlation between Internet use in sleep mean in terms of this situation? A. The more Internet use, the more sleep a person gets B. The less Internet use the more sleep a person gets C. The less Internet use the west sleep a person gets D. there is no correlation

either A or B

which best describes the correlation of the scatterplot? A. strong positive B weak positive C weak negative D no correlation

(0,1)

which data point in the table below represents an outlier on each scatterplot? A. (0,1). B. (5,7) C. (7,9). D. (8,11)

D. y= -1/2x+8

which equation best describes a line of best fit for the scatterplot? A. y=8. B. y=9 C. y= -1/2x+9. D. y= -1/2x+8

B. 4n=20

which equation has a solution of 5? A. n+4= -9. B. 4n=20 C. n/4=5. D. n-4=3

D. None

which triangles are similar? A. A and B B. B and C C. A and C D. None