Evaluate the 2 × 2 determinant.
A. -25
B. 7
C. 32
D. -7
Answer: B
You might also like to view...
Solve the problem.The arch beneath a bridge is semi-elliptical, a one-way roadway passes under the arch. The width of the roadway is 34 feet and the height of the arch over the center of the roadway is 11 feet. Two trucks plan to use this road. They are both 8 feet wide. Truck 1 has an overall height of 
and Truck 2 has an overall height of 
. Draw a rough sketch of the situation and determine which of the trucks can pass under the bridge.
A. Truck 1 can pass under the bridge, but Truck 2 cannot. B. Truck 2 can pass under the bridge, but Truck 1 cannot. C. Both Truck 1 and Truck 2 can pass under the bridge. D. Neither Truck 1 nor Truck 2 can pass under the bridge.
Solve the equation.(x + 9)(x - 1) = (x + 1)2
A. 
B. {10}
C. 
D. 
Use a proportion to solve the problem.In baseball, the average number of earned runs given up by a pitcher in 9 innings is the pitcher's earned run average, ERA. For example, if a player gave up 90 earned runs in 250 innings during one year, his ERA is found by solving the proportion 
Find the ERA for a player who, in one year, gave up 83 earned runs in 229
innings. Round your answer to the nearest hundredth.
A. 2.76 B. 9.22 C. 3.26 D. 24.87
The initial and terminal points of vector v are (3, -8) and (7, 1), respectively. Select v in component form. ?
A. ?
B. ?
C. 
D. 
E. ?