Provide an appropriate response.2x + 3y = -84x + 2y = -1What number would you multiply the top equation by to eliminate the x terms?
Fill in the blank(s) with the appropriate word(s).
-2
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Identify the triangle PQR as an isosceles (two sides of equal length), equilateral (three sides of equal length), or scalene (three sides of different lengths) triangle.P(13, -13), Q(-13, 13), R(-13
, -13
)
A. Scalene B. Right C. Isosceles D. Equilateral
Factor the polynomial by grouping.20x2 - 15x + 12x - 9
A. (5x + 3)(4x - 3) B. (20x + 3)(x - 3) C. (5x - 3)(4x + 3) D. (20x - 3)(x + 3)
Use transformations of graphs to sketch the graphs of y1 and y2. Graph y2 as a dashed curve.y1 = 
, y2 = 
- 3
A. 
B. 
C. 
D. 
If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.45a2 - 30a - 40
A. (3a + 2)(15a - 20) B. (15a + 10)(3a - 4) C. 5(3a - 2)(3a + 4) D. 5(3a + 2)(3a - 4)