Question 6:

Question 6 13 pts In Exploration 2.3.2 1you were asked how to determine which conic section is generated given the general form 0 = Ax: + Cy2 + DI + E]; + F {assume B = 0]. Which of the following is FALSE when determining a conic section from general form? (:3: If the conic section is a parabola, then either A = or~CT = l]. O Ifthe conic section is a circle, then A = C. Q If the conic section is a hvperbola, then A - C will be negative. C} If the conic section is a circle, then A - C will be positive. {ii} If the conic section is an ellipse, then A and C will have different signs. Question 7 13 pts In Exploration 2.4.1 you were asked to find the inverse of a matrix. L 0 0 Now consider this matrix 2 0 3 0 1 0 Select two steps that result in the following 0 0 0 2 1 0 matrix: 0 0 -2 0 0 - O Step 1: R2 - R2 - 2 Step 2: R3 - -R3 O Step 1: R2 - R2 - 2R3 Step 2: R2 - R2 - R1 O Step 1: R3 - R3 - 2R1 Step 2: R3 - R3 - R2 O Step 1: R2 - R2 - 2R1 Step 2: R2 - R2 - R3 O Step 1: R2 - R2 - R1 Step 2: R2 - R2 - R1