Math 9th Unit 7 Linear Equations and Inequality-2

Math 9th Unit 7 Linear Equations and Inequality-2

1. labl =?

a) None
b) -lal lbl
c) lal lbl
d) Square root lal lbl

2. la/b =?

a) -lal / lbl
b) lal
c) 1/lbl
d) lal / lbl

3. If l2x+3 =11 then solution set =?

a) 4
b) -7
c) 4,-7
d) -3

4. All absolute equations have …… solutions?

a) 2
b) 1 or 2
c) 0
d) 1

5. The inequality symbols are?

a) > and =
b) None
c) > and<
d) < and =

6. The inequality symbols are introduced by?

a) Napoleon
b) Al khindi
c) None
d) Thomas Harriot

7. a is greater than b if the difference a-b is?

a) Positive
b) None
c) Zero
d) Negative

8. An equivalent statement b is less than a symbolized by?

a) b=a
b) None
c) b<a
d) b>a

9. The symbol ≤ is read as?

a) Greater than
b) Less than
c) Less than or equal to
d) Greater than or equal to

10. l-al==?

a) l-al
b) l0l
c) l1l
d) lal

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