Numerical Value

If

 $x=-1\ \ y\ =2\ \ \ z=-4$  
What is the numerical value of  $3x+2y-z$  ?

• 3

• 5

• 4

• –5

The difference of two numbers is...

• $m+n$

• $mn$

• $m-n$

• $m\div n$

If

 $a=–1,\ b=3,\ c=0\$ , What is the numerical value of

 $2a-c+3b?$  

• 7

• –7

• 0

• –2

Write using algebraic expression the difference of two consecutive numbers

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The fourth part of the triple of a number is...

• $3b$

• $\frac{b}{3}$

• $\frac{4b}{3}$

• $\frac{3b}{4}$

If

 $g=5\ and\ t=-2$  What is the numerical value of  $g^2+3t$  ?

• –15

• 19

• 12

• 6

If  "d" is a number, the algebraic expression for a three times the number  increased in 3 is:

If
 $g=-4\ and\ b=-2$  
What is the numerical value of 
 $3g+5b$  ?

• 12

• –22

• –12

• 4

Half of the sum of two consecutive numbers is...

• $\frac{t+1}{2}$

• $\frac{t+\left(t+1\right)}{2}$

• $\frac{h+t}{2}$

• $h+h+1$

If

 $b=-4,\ x=-2\ and\ w=3$  
What is the numerical value of
 $x^2-3b+2w$  ?

• 22

• –22

• 18

• 14