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2 𝑥 𝑥 5 4 9 3 25 16 81 9 𝑥 3 125 64 729 27 𝑥 5 𝑥 2 25 You probably chose 5 because 5●5=25 You could also say that the square root of 25 equals 5 This is written as 25 = 5 𝑥 4 𝑥 3 64 You probably chose 4 because 4●4●4=64 You could also say that the cube root of 64 equals 4 3 This is written as 64 = 4 196 = Because 14●14=196 3 216 = Because 6●6●6=216 Find the missing value: 2 = 100 Finding the value is the same as finding 100 This is also the same as solving the equation: 2 𝑥 = 100 Are there any other values for x that would also be a solution to this equation? 2 𝑥 = 100 x could also equal -10 because -10●-10 = 100? So 𝑥 = ±10 This symbol means positive or negative Find the missing value: 3 =8 3 Finding the value is the same as finding 8 This is also the same as solving the equation: 3 𝑥 =8 Are there any other values for x that would also be a solution to this equation? 3 𝑥 =8 Could x also equal -2 ? No, because -2●-2●-2=-8 144 − 144 12 − 12 ± 144 ±12 Simplify: 2 5 + 225 25+15 40 Simplify: 2 3 14 + 125 196 + 5 201 Simplify: 3 − 16 + 729 -4 + 9 5