Solve and check.
= 
A. -6, 4
B. 6, 4
C. - 
, 
D. -6, -4
Answer: D
Mathematics
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Find the indicated term.Find a8 when a1 = -7 and d = -3.
A. -28 B. 17 C. 14 D. -31
Mathematics
Solve the problem by solving a system of equations graphically.The sum of twice a number and another number is 14. The difference between twice the number and the other number is 2. Find the numbers.
A. 3, 4 B. 5, 6 C. 4, 6 D. 5, 7
Mathematics
Write the equation of the quadratic function whose graph is a parabola containing the given points.(0, 5), (-1, 5.25), (5, 18.75)
A. y = 
+ 
+ 5
B. y = 
+ 
C. y = 
+ 
- 5
D. y = 
+ 2x + 5
Mathematics
Solve the equation.
- x = 0
A. x = ±5 B. x = 8 C. x = ±4 D. x = 4
Mathematics