Name the property illustrated by the statement.7(x + 4) = 7x + 7 ? 4
A. Associative Property of Multiplication
B. Identity Property of Multiplication
C. Commutative Property of Addition
D. Distributive Property
Answer: D
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Solve.A rectangle has an area of 15x2 + 19x + 6. Find possible dimensions for this rectangle.
A. 15x + 1 by x + 6 B. 3x - 2 by 5x - 3 C. 3x + 2 by 5x + 3 D. 15x + 2 by x + 3
Find the real solutions of the equation.
= x
A. {-2, 10}
B. no real solution
C. 
D. {10}
Solve the problem.An arch has the shape of half an ellipse. The equation of the ellipse is 
where x and y are in meters. How high is the center of the arch? 
A. 30 m B. 36 m C. 18 m D. 15 m
Which property of the real numbers is illustrated in this equality?
?
?
A. additive identity B. multiplicative inverse C. associative D. multiplicative identity E. commutative