Multiply using the galley method.79 × 19
A. 1601
B. 1491
C. 1511
D. 1501
Answer: D
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Provide an appropriate response.Solve the system of equations using the substitution method:3x + 2y = 72x - 7y = 13
A. x = -3, y = 8 B. x = 3, y = -1 C. x = -1, y = 5 D. x = 10, y = 1
Verify the identity.
= tan 
cot 
What will be an ideal response?
Find the vertex, focus, and directrix of the parabola. Graph the equation.(x + 3)2 = -8(y + 3)
A. vertex: (3, 3)
focus: (1, 3)
directrix: x = 5
B. vertex: (-3, -3)
focus: (-5, -3)
directrix: x = -1
C. vertex: (3, 3)
focus: (3, 1)
directrix: y = 5
D. vertex: (-3, -3)
focus: (-3, -5)
directrix: y = -1
Use an ordered pair to identify each point on the given coordinate plane. State the quadrant or axis where each point lies.
A. R(-3, 7) in Quadrant II; S(-3, -2) in Quadrant III B. R(-3, 7) in Quadrant II; S(-2, -3) in Quadrant III C. R(-3, -2) in Quadrant III; S(7, -2) in Quadrant IV D. R(7, 10) in Quadrant I; S(-2, -3) in Quadrant III