Find the slope and the y-intercept of the line.x + 4y = 2
A. m = 4; y-intercept: (0, 8)
B. m = -4; y-intercept: (0, 0)
C. m = - 
; y-intercept: 
D. m = 
; y-intercept: (0, 8)
Answer: C
Mathematics
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Perform the operation. Write the answer as a fraction in lowest terms.4
- 3
A. 1
B. 
C. 
D. 8
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Estimate the sum or difference by rounding each number to the nearest ten.
A. 2420 B. 2412 C. 2410 D. 2400
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Simplify the expression.(-5)-4
A. 
B. 625
C. - 
D. -625
Mathematics
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.5w + 5x - 5y - 5z = -4-w - 5x - 5y - z = -22w + 3x + 3y + 2z = -52w + 4x + 4y + 2z = 6
A. (-z, z, -z, z)
B. 
C. 
D. No solution
Mathematics