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WARM-UP April 21, 2015 Solve: 1. 8 + (-95) = 2. (-95) + (-95) = 3. (-95) + 97 = 4. 74 – (-17) = 5. (-774) – (-7) = 6. (-774) – 7 = Class work • Coach Book • Copy all (yes that means everything including the examples) the notes on pages 92 – 96 • Complete the Lesson Practice on page 97 • Both will be graded………………….. Square Roots • The square root of a number, n, is the number that when squared is equal to n. • There are two square roots of any number – a positive and a negative. • A perfect square is the square root of a whole number. Square Roots and Perfect Squares • Calculate all the perfect squares using the whole numbers 0 through 50. • For example: 0 X 0 = 0 would be the first perfect square on your list • Your next calculation would be 1 X 1 = • Your last calculation will be 50 X 50 = • Turn in by the end of the period • PS No calculators, no agenda, work by hand and individually.