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Mathematics, 07.11.2020 21:50 poohnia

1)what value for x makes this equation x-4=12 true? A. 8
B. -16
C. 16
D. -3

2)Name the first step in solving 2x-5=-30
A. add 5 to each side
B. subtract 5 from each side
C. divide both each side by 2x
D. Multiply 2x by each side

3) If asked to solve the equation V = 1/3Bh for B, which of the following would be correct?
O A. B = V/3h
O B. B = 3v/h
O C. B = h/3v
O D. B = 3h/v

4) The statement: the difference of a number and 7 is -8 is represented by which of the following equations?
A. 7-n=8
B. n/7=-8
C. n-7=-8
D. n-(-7)=-8

5) What is the solution to 7x-10x=9?
A. x=3
B. x=1/3
C. x = -3
D. x = -1/3

6) What is the solution set for the inequality: 5x - 11> 2x +1*
A. X>-10/3
B. X>-1
C. X> 12/7
D. X>4

7)A tree was 4ft tall when it was planted. It grows 2ft per year. Which equation could be solved to determine how many years the tree will take to grow to a height of 16ft from the time it was planted?
A. 16=4y+2
B. 16=2y+4
C.4=16y/2
D. 4=16/2+y

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Answers: 2

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1)what value for x makes this equation x-4=12 true? A. 8
B. -16
C. 16
D. -3
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