Presentation on theme: "Mixed Review for Unit Test 1 UNIT TEST 1 Jan 24. UNIT TEST 1 Tuesday, Jan 24 Simplifying Algebraic Fractions Multiplication/Division of Algebraic."— Presentation transcript:
When denominators differ only by sign, we can make them equal by changing the sign of the numerator. The denominator is changed to -1(b – 2) by factoring out -1. The numerator –a is changed to a and the denominators are now the same.