QUIZ 3: SOLVING EQUATIONS AND INEQUALITIES

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Complete the following tasks for this equation: b/7.8 = -2.15.

b/7.8 = -2.15 b/7.8 TIMES 7.8 = -2.15 TIMES 7.8 b = -16.77

All of the following equations have the same solution except _____.

x + 6.5 = 6.3

The difference between a number and seven is less than or equal to -3. Find the possible numbers.

n ≤ 4

The solution of the equation 2 d - 6 = 5 is _____.

5 1/2

" X is at least 2" can be represented by x > 2.

False

In the set of real numbers, the first number less than -3 is -4.

False

x < 3 3 < x -3 > x x ≤ -3 x ≥ 3 -3 ≤ x

I got 4 out of 6

Which of the following is the solution to the equation 5/6 x = - 1/6?

- 1/5

If x < 5, then which of the following must be true?

- x > -5

What is the solution to the equation c/0.3 = -2.7?

-0.81

A number is decreased by 1 2/3, and the result is -2.

-1/3

Which of the following cannot be in the solution set of w/-2 < 1?

-2

Solve the following equation: -3 = 1 3/5 + m .

-4 3/5

The product of a number and - 7/10 is 1/2. What is the number?

-5/7

Which of the following is a solution of 12 x - 7 > 6?

2

What does the inequality x + 3 ≤ 2 say?

A number and three is at most two

A student solved the following problem. 3/5 t + 7 = -8 3/5 t = -15 t = -9 Which of the following statements is true?

The solution is wrong, because the -9 should be -25.


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