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Quiz Discussion

Title: Substitute the varible value in square form of the expression

Grade: 8-a Lesson: S2-L2

Explanation: Let us discuss a few questions on this topic and review the answers to every question.

Quiz: Discussion in Class

Problem Id	Problem	Options
Steps 1	Determine the value of an expression when a = 1, b = 0 , c = 2, \$ a^2 + b^2 + c^2 \$	A) 2 B) 18 C) 5 D) 9
Steps 2	Determine the value of an expression when x = \$1/2\$, y = \$3/2\$ , z = 2, \$ x^2 + y^2 + z^2 \$	A) \$23/4\$ B) \$13/2\$ C) \$25/4\$ D) \$-26/5\$
Steps 3	Determine the value of an expression when u = 4, v = -3 , w = -5, \$ -u^2 + v^2 - w^2 \$	A) 32 B) 33 C) -36 D) -32
Steps 4	Determine the value of an expression when e = \$-7/3\$ , f = 4 , g = \$9/2\$, \$ e^2 - f^2 - g^2 \$	A) \$-1105/34\$ B) \$-1111/36\$ C) \$-1109/36\$ D) \$1109/36\$
Steps 5	Determine the value of an expression when k = 4, l = 2 , m = 3 , \$ -k^2 - l^2 + m^2 \$	A) -11 B) 11 C) 12 D) -12

Problem Id

Problem

Options

Steps 1

Determine the value of an expression when
a = 1,
b = 0 ,
c = 2,
\$ a^2 + b^2 + c^2 \$

A) 2

B) 18

C) 5

D) 9

Determine the value of an expression when
x = \$1/2\$,
y = \$3/2\$ ,
z = 2,
\$ x^2 + y^2 + z^2 \$

A) \$23/4\$

B) \$13/2\$

C) \$25/4\$

D) \$-26/5\$

Determine the value of an expression when
u = 4,
v = -3 ,
w = -5,
\$ -u^2 + v^2 - w^2 \$

A) 32

B) 33

C) -36

D) -32

Determine the value of an expression when
e = \$-7/3\$ ,
f = 4 ,
g = \$9/2\$,

\$ e^2 - f^2 - g^2 \$

A) \$-1105/34\$

B) \$-1111/36\$

C) \$-1109/36\$

D) \$1109/36\$

Determine the value of an expression when
k = 4,
l = 2 ,
m = 3 ,
\$ -k^2 - l^2 + m^2 \$

A) -11

B) 11

C) 12

D) -12