Intermediate Algebra 2e

# Practice Test

### Practice Test

In the following exercises, simplify using absolute values as necessary.

579.

$125x93125x93$

580.

$169x8y6169x8y6$

581.

$72x8y4372x8y43$

582.

$45x3y4180x5y245x3y4180x5y2$

In the following exercises, simplify. Assume all variables are positive.

583.

$256−14256−14$ $−4932−4932$

584.

$−45−45$

585.

$x−14·x54x−34x−14·x54x−34$

586.

$(8​x23​y−52x−73y12)13(8​x23​y−52x−73y12)13$

587.

$48x5−75x548x5−75x5$

588.

$27x2−4x12+108x227x2−4x12+108x2$

589.

$212x5·36x3212x5·36x3$

590.

$43(163−63)43(163−63)$

591.

$(4−33)(5+23)(4−33)(5+23)$

592.

$12835431283543$

593.

$245xy−445x−4y3245xy−445x−4y3$

594.

$153153$

595.

$32+332+3$

596.

$−4·−9−4·−9$

597.

$−4i(−2−3i)−4i(−2−3i)$

598.

$4+i3−2i4+i3−2i$

599.

$i172i172$

In the following exercises, solve.

600.

$2x+5+8=62x+5+8=6$

601.

$x+5+1=xx+5+1=x$

602.

$2x2−6x−233=x2−3x+532x2−6x−233=x2−3x+53$

In the following exercise, find the domain of the function graph the function use the graph to determine the range.

603.

$g(x)=x+2g(x)=x+2$