1.If a = 5 and b = 2 , what is the value of the expression 2a + 3b?
A.6
B.10
C.16
D.22

2.What do you call the distance of a point from zero?
A.Absolute value
B.number
C.real number
D.quantity

3.What do you call such mathematical statement which express two numbers or algebraic expressions that are equal?
A.Equation
B.inequality
C.adical
D.variation

4.Which of the following is an example of linear equations in one variable?
A.x² + y = 2
B.2x - 3 =5
C.x < 4
D a + b > 4

5.A_____to linear equation is any value that can replace the variable to produce a true statement.
A.Equality
B.inequality
C.real number
D.solution