Bsmokes213 asked:


1.When writing the equation for any problem in this quiz, type in the equation with no spaces. For example, 2x + 7y – 8 = 10 would be typed in as 2x+7y-8=10.
Write an equation for problems 1 through 6.

Three more than twice a number x is fifteen

2.Half the number y is equal to y minus ten.

3.One sixth of a number m is forty.

4.Twenty plus x squared equals twice x minus nine. Remember that we use ^ to indicate an exponent.

5.The area of a triangle is equal to one half times the base times the height. Use A for area, b for base and h for height

6.The circumference of a circle equals the product of two, pi, and the radius. Use C for circumference, 3.14 for pi, and r for the radius. Place parenthesis around the numbers and /or variables to show multiplication.

7. Which of the following represents the equation: 6(a – b) = 36?
A.Six times a minus b equals 36.
B.Six times the difference of a and b equals 36.
C.One sixth of the difference of a and b equals 36.
D. Six minus a and b equals 36.

8. Which of the following represents the equation: 2x = x + 8?
A.Two times x is equal to the product of x and 8.
B.The sum of twice x and eight equals x.
C.Twice the number x is eight more than x.
D. X squared is the sum of x and 8.

9. Is this true always, sometimes, or never? 2x = 8
Always
Sometimes
Never

10. x ? x = x
Always
Sometimes
Never

11.
Always
Sometimes
Never

11. x*x=x^2
Always
Sometimes
Never

12.x ÷ 0 = 0
Always
Sometimes
Never

13.A show on television ran 30 minutes. This was 7 minutes longer than 3 times the length of the commercials. Use x for the length of the commercials and type an equation which represents this problem.

14. Use the guess and check method to find the number of minutes the commercials ran during the program in question 13. Type the number only

15.The Sears Tower is 1,454 feet tall. Let the height of the antenna on the tower be represented by the variable a. The total height of the building plus the antenna is 1,707 feet. Type an equation to represent this problem.

16.Use guess and check to find the height in feet of the antenna in the previous problem. Type the number only.

17.A cube has six sides, each of which is a square. If the measure of each edge of the cube is s, what is the area of one side (square) of the cube?

18.Write a formula for the entire surface area (all 6 squares) of a cube in simplest form.