Solve the system by substitution.5x - 4y = -178x + 8y = 88
A. {(-3, 8)}
B. ?
C. {(-6, -2)}
D. {(3, 8)}
Answer: D
You might also like to view...
Estimate and find the actual sum expressed as a mixed number in simplest form.6
+ 7
A. Estimate: 13; Actual: 14
B. Estimate: 14; Actual: 13
C. Estimate: 13; Actual: 13
D. Estimate: 14; Actual: 14
Without graphing, determine whether the graph of the quadratic function opens up or opens down.f(x) = -3x2 - 4x + 5
A. opens up B. opens down
Simplify the expression.
?
What will be an ideal response?
Write an equation that expresses the relationship. Use k as the constant of variation.The weight of a body above the surface of the earth is inversely proportional to the square of its distance from the center of the earth. What is the effect on the weight when the distance is multiplied by 5?
A. The weight is multiplied by 25 B. The weight is multiplied by 5 C. The weight is divided by 5 D. The weight is divided by 25