Consider the following matrices: A -1 4 B -3 2 -2 8 3 -2 What is A + B? F. 2 2 -10 10 G. 2 -2 10 -10 H. -4 6 -4 6 I. 4 -6 4 -6 J. 4 6 4 6
H. -4 6 -4 6
x and y are real numbers. ai and bi are imaginary numbers. When does ai + x = bi + y ? A. When a = b B. When x = y C. When a = x and b = y D. When a = y and b = x E. When a = b and x = y
E. When a = b and x = y
If f(x) = 5x-2 and g(x) = x^2 +3x, then what is the value of g(f(-3)) ? A. -340 B. -17 C. -2 D. 0 E. 238
E. 238
Solve for x and y.
y = 3x - 3
-8x - y = 14
(-1, -6)
A company sells jeans and T-shirts. J represents jeans and T represents T-shirts in the equations below: 2J + T = $50 J + 2T = $40 Sarah buys one pair of jeans and one T-shirt. How much does she pay for her entire purchase? F. $10 G. $20 H. $30 J. $70 K. $90
H. $30
What is the largest possible product of 2 even integers whose sum is 22? F. 11 G. 44 H. 100 J. 120 K. 144
J. 120
Solve for x and y.
-4x+6y=30
2x-3y=-14
No solution