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Elementary and Intermediate Algebra
Mark Dugopolski, Southeastern Louisiana University

Quadratic Equations, Functions, and Inequalities

Enrich Your Math Word Power



For each mathematical term, choose the correct meaning.



1

quadratic equation
A)ax + b = c with a ≠ 0
B)ax2 + bx + c = 0 with a ≠ 0
C)ax + b = 0 with a ≠ 0
D)a/x2 + b/x = c with x ≠ 0
2

perfect square trinomial
A)a trinomial of the form a2 + 2ab + b2
B)a trinomial of the form a2 + b2
C)a trinomial of the form a2 + ab + b2
D)a trinomial of the form a2 - 2ab - b2
3

completing the square
A)drawing a perfect square
B)evaluating (a + b)2
C)drawing the fourth side when given three sides of a square
D)finding the third term of a perfect square trinomial
4

quadratic formula
A)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif:: ::/sites/dl/free/0072450282/31461/ch10_image1.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>
B)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif:: ::/sites/dl/free/0072450282/31461/ch10_image2.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (0.0K)</a>
C)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif:: ::/sites/dl/free/0072450282/31461/ch10_image3.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>
D)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=gif:: ::/sites/dl/free/0072450282/31461/ch10_image4.gif','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (1.0K)</a>
5

discriminant
A)the vertex of a parabola
B)the radicand in the quadratic formula
C)the leading coefficient in ax2 + bx + c
D)to treat unfairly
6

quadratic function
A)y = ax + b with a ≠ 0
B)a parabola
C)y = ax2 + bx + c with a &neq; 0
D)the quadratic formula
7

quadratic in form
A)ax2 + bx + c = 0
B)a parabola
C)an equation that is quadratic after a substitution
D)having four equal sides
8

quadratic inequality
A)ax2 + bx + c > 0 with a ≠ 0 or with ≥, <, or ≤
B)ax + b > 0 with a ≠ 0 or with ≥, <, or ≤
C)completing the square
D)the Pythagorean theorem
9

sign graph
A)a graph showing the sign of x
B)a sign on which a graph is drawn
C)a number line showing the signs of factors
D)to graph in sign language
10

rational inequality
A)an inequality involving a rational expression(s)
B)a quadratic inequality
C)an inequality with rational exponents
D)an inequality that compares two fractions
11

test point
A)the end of a chapter
B)to check if a point is in the right location
C)a number that is used to check if an inequality is satisfied
D)a positive integer