Mathematics Knowledge

Kaplan practice test

Simplify this expression

(21-2x)-(5-4x)

2x+16

Find the value of x

2x+10y=16

6x+5y=23

3

Solve for d

5c-d=17

3d+13c=33

-2

given the following system of equations, find the value of y:

4y+14x=10

-2y-4x=4

-8

what is the volume of a cylindrical can with a diameter of 6cm, and a height of 10cm?

90 ,~, cm³

what is the area of a circle with a diameter D=4/,~,

4/,~,

z² -8z+16

(z-4)²

Solve for x

x²-x=12

x=-3,4

2y+7>-4y-5

y>-2

which of the following categories does a square not fall into?

Rectangles, pentagons, quadrilaterals, rhombuses

pentagons

what is the slope of a line that passes through the point (3,3) and has a y-intercept of 4 ?

-1/3

-5x+3>-4x-5

x=7

the variables x and y are integers

y=2x+1 and z=3y+5

what must be true about variable z

it is an even integer

3.125×10^-4

0.00003125

what is the prime factorization of 60?

2,2,3,5

6(14-9) +( 13-2)x6-4²

(8-5)_____________

2²+(3×2)

what is the value of the expression below?

6

which of the following is a possible value of x if

-8>-2x+4>-18

8

kira has saved all her math tests from her years in school.her ratio of A”s to B”s is 3:7. she received a total of 42 B tests . how many A”s did she earn?

18

tell me a prime number

61

A bag of chocolate candies with colored coatings includes the colors dandelion yellow, fuchsia, and burnt umber. If the bag contains a total of 13yellow,17 fuschai, and 10 burnt umber chocolates, what percentage of the bag is burnt umber

25%

Vlad’s final mark is based equally on 5 tests. on his four tests, he received a 65,73,70, and 80. on his final day of class he took his last test, and one week later, he received his report card with a final mark of 75, what score did vlad get on the last test?

87

(7^0)x(5^1)

5