Solve.4(5x + 3) + 11 = 13x + 2
A. 3
B. -3
C. -147
D. -21
Answer: B
Mathematics
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Solve.2x2 = -5x - 7
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Consider the pattern:
?
9 × 1-1=89 × 21-1=1889 × 321-1=28889 × 4321-1=38888 ?
Use this pattern to find 
.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write the number in scientific notation.2,100,000
A. 2.1 × 10-7 B. 2.1 × 107 C. 2.1 × 10-6 D. 2.1 × 106
Mathematics
Identify the equation without completing the square.3x2 - 4x + y - 3 = 0
A. parabola B. hyperbola C. ellipse D. not a conic
Mathematics