
CM2 Quiz No. 1
Quiz by Akyssia Myel Airi
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- Q1
A(n) _____________ is a statement that two expressions are equal.
Users enter free textType an Answer30s - Q2
To ___________ an equation means to find all numbers that make the equation a true statement.
Users enter free textType an Answer30s - Q3
The solution set of 2x + 5 = x - 3 is {-8}.
truefalseTrue or False30s - Q4
The equation 5x = 4x is an example of an identity.
falsetrueTrue or False30s - Q5
Which one is not a linear equation?
7x + 8x = 13x
5x + 7(x - 1) = -3x
0.04x - 0.08x = 0.40
9x2 - 4x + 3 = 0
45s - Q6
Suppose that a computer that originally sold for x dollars has been discounted 60%. Which one of the following expressions does not represent its sale price?
x - 0.60x
x - 0.60
0.40x
4/10 x
60s - Q7
Suppose two acid solutions are mixed. One is 26% acid and the other is 34% acid. Which one of the following concentrations cannot possibly be the concentration of the mixture?
24%
30%
33%
31%
60s - Q8
If a and b are real numbers, then any number of the form a + bi is a(n) _________.
Users enter free textType an Answer30s - Q960s
- Q10
Proposed solutions for which any denominator equals ___________ are excluded from the solution set of a rational equation.
Users enter free textType an Answer30s - Q11
A(n) __________ is an equation that has a rational expression for one or more terms.
Users enter free textType an Answer30s - Q12
What is the interval notation of -2 < x ≤ 6?
Users enter free textType an Answer30s - Q13
What is the interval notation of x ≥ -6?
(-6, ∞)
(-∞, -6)
(-∞, -6]
[-6, ∞)
30s - Q14
This graph of solution set is ________.
|x| = 7
|x| > 7
|x| < 7
|x| ≥ 7
30s - Q15
This graph of solution set is ________.
|x| = 7
|x| > 7
|x| < 7
|x| = -7
30s