Activity 1 Mental Math
Directions: Give the solution to each equation mentally.
1. √ = 2 4. √ =
1
7
2. √ = -10 5. √ + 12 = 0
3. √
3 = 3 6. √
3
– 4 = 0
Activity 2: Into the Unknown
Directions: Solve and check each radical equation.
Activity 2.1
1. √3+7 = 7 3. 3− √−4 = 0
2. √−5−7 = 0 4. √5+1−10= −6
Activity 2.2
1. √+1=2 3. √− = −2
2. 3√−1=2 4. 3√3+3 =0
Activity 2.3
1. √2−1
3 −3=0 3. 3− √9
4 =0
2. √3+2
3 +5=7 4. √2+3
4 +1=0
Activity 2.4
1. √2−2= √+3 3. √7+2 − √10−1=0
2. √5−6= √8−2 4. √7+7− √4+4=0
Activity 2.5
1. √+12=2+ √ 3. √+1+2= √9−
2. √5−9= √2−1 4. 2√−5=2√+5
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Answer:√2- 8√2= 4
√2(1-8) = 4
-7√2= 4
-7√2-4= 0
explanation:
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